Segment Reporting [Abstract]
Statement [Table]
Statement [Table]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
Statement [Line Items]
Statement [Line Items]
Summarized operating results by segment
Schedule Of Operating Results By Segment Table [Text Block]
Schedule of operating results by segment.
Net Sales and Gross Profit by Geographic Region
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Litigation [Abstract]
Litigation [Abstract]
Legal Settlement [Axis]
Legal Settlement [Axis]
Legal Settlement [Axis]
Legal Settlement [Domain]
Legal Settlement [Domain]
[Domain] for Legal Settlement [Axis]
Anti-trust class action lawsuit settlement [Domain]
Anti-trust class action lawsuit settlement [Domain]
Anti-trust class action lawsuit settlement [Domain]
Income Tax Disclosure [Abstract]
INCOME TAXES
Income Tax Disclosure [Text Block]
Fair Value Disclosures [Abstract]
FAIR VALUE MEASUREMENTS
Fair Value Disclosures [Text Block]
Discontinued Operations and Disposal Groups [Abstract]
Summary financial results
Schedule Of Disposal Groups Including Discontinued Operations Income Statement Disclosures Table [Text Block]
Schedule of disposal groups including discontinued operations income statement disclosures.
Assets and liabilities classified as discontinued operations
Schedule Of Disposal Groups Including Discontinued Operations Balance Sheet Disclosures Table [Text Block]
Schedule of disposal groups including discontinued operations balance sheet disclosures.
Statement of Financial Position [Abstract]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Common Stock
Common Stock [Member]
Class B Common Stock
Common Class B [Member]
Accounts receivable, allowance
Allowance for Doubtful Accounts Receivable, Current
Common stock, par value
Common Stock, Par or Stated Value Per Share
Common stock, shares issued
Common Stock, Shares, Issued
Preferred stock, par value
Preferred Stock, Par or Stated Value Per Share
Preferred stock, shares issued
Preferred Stock, Shares Issued
Common stock in treasury
Treasury Stock, Shares
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventories
Disposal Group, Including Discontinued Operation, Inventory, Current
Discontinued operations-Assets
Disposal Group, Including Discontinued Operation, Assets, Current
Accrued liabilities-current
Disposal Group, Including Discontinued Operation, Accrued Liabilities
Discontinued operations—non-current liabilities
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent
Discontinued operations-Liabilities
Total Liabilities Discontinued Operation Current And Longterm
Total liabilities discontinued operation current and long-term.
Commitments and Contingencies Disclosure [Abstract]
Future Minimum Payments Under Non-Cancelable Operating Leases With Initial Terms Of One-Year Or More [Table]
Future Minimum Payments Under Non Cancelable Operating Leases With Initial Terms Of One Year Or More [Table]
Future Minimum Payments Under Non-Cancelable Operating Leases With Initial Terms Of One-Year Or More [Table]
Future Minimum Payments Under Non-Cancelable Operating Leases With Initial Terms Of One-Year Or More [Line Items]
Future Minimum Payments Under Non Cancelable Operating Leases With Initial Terms Of One Year Or More [Line Items]
Future Minimum Payments Under Non-Cancelable Operating Leases With Initial Terms Of One-Year Or More [Line Items]
Remaining 2015
Operating Leases, Future Minimum Payments, Remainder of Fiscal Year
2016
Operating Leases, Future Minimum Payments, Due in Two Years
2017
Operating Leases, Future Minimum Payments, Due in Three Years
2018
Operating Leases, Future Minimum Payments, Due in Four Years
2019
Operating Leases, Future Minimum Payments, Due in Five Years
Thereafter
Operating Leases, Future Minimum Payments, Due Thereafter
Business Combinations [Abstract]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
WVS-Technology
WVS-Technology [Member]
WVS-Technology [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Business Acquisition, Transaction Costs
Business Acquisition, Transaction Costs
Working capital adjustment included in assets
Business Acquisition Cost Of Acquired Entity Working Capital Adjustment
Business acquisition cost of acquired entity working capital adjustment.
Inventory included in purchase price
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Business Segments [Axis]
Segments [Axis]
Segment [Domain]
Segments [Domain]
EDG
Electron Device Group [Member]
Electron device group.
Canvys
Canvys [Member]
Canvys.
Healthcare [Member]
Healthcare [Member]
Healthcare [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Net Sales
Revenue, Net
Gross Profit
Gross Profit
Accounting Policies [Abstract]
Inventories
Inventory, Policy [Policy Text Block]
Revenue Recognition
Revenue Recognition, Policy [Policy Text Block]
Loss Contingencies
Commitments and Contingencies, Policy [Policy Text Block]
Other Intangible Assets
Goodwill and Intangible Assets, Policy [Policy Text Block]
Guarantees [Abstract]
Warranties [Table]
Warranties [Table]
Warranties [Table]
Warranties [Line Items]
Warranties [Line Items]
Warranties [Line Items]
Warranty term, minimum
Warranty Period Minimum
Warranty period, minimum.
Warranty term, maximum
Warranty Term Maximum
Warranty term, maximum.
Warranty reserves
Warranty Reserves
Warranty reserves.
Statement of Cash Flows [Abstract]
Operating activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income (loss)
Net Income (Loss) Attributable to Parent
Adjustments to reconcile net income to cash provided by (used in) operating activities:
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization
Depreciation, Depletion and Amortization
Gain on sale of investments
Gain (Loss) on Sale of Investments
Share-based compensation expense
Share-based Compensation
Deferred income taxes
Deferred Income Taxes and Tax Credits
Change in assets and liabilities, net of effect of acquired businesses:
Increase (Decrease) in Operating Assets [Abstract]
Accounts receivable
Increase (Decrease) in Accounts Receivable
Income tax receivable
Increase (Decrease) in Income Taxes Receivable
Inventories
Increase (Decrease) in Inventories
Prepaid expenses and other assets
Increase (Decrease) in Prepaid Expense
Accounts payable
Increase (Decrease) in Accounts Payable
Accrued liabilities
Increase (Decrease) in Accrued Liabilities
Long-term income tax liabilities
Increase (Decrease) in Income Taxes
Other
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Net cash used in operating activities
Net Cash Provided by (Used in) Operating Activities
Investing activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Cash consideration paid for acquired businesses
Payments to Acquire Businesses, Net of Cash Acquired
Capital expenditures
Payments to Acquire Productive Assets
Proceeds from maturity of investments
Proceeds from Sale of Long-term Investments
Purchases of investments
Payments to Acquire Long-term Investments
Proceeds from sales of available-for-sale securities
Proceeds from Sale of Available-for-sale Securities
Purchases of available-for-sale securities
Payments to Acquire Available-for-sale Securities
Other
Payments for (Proceeds from) Other Investing Activities
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Financing activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Repurchase of common stock
Payments for Repurchase of Common Stock
Proceeds from issuance of common stock
Proceeds from Issuance of Common Stock
Cash dividends paid
Payments of Dividends
Other
Proceeds from (Payments for) Other Financing Activities
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
Effect of exchange rate changes on cash and cash equivalents
Effect of Exchange Rate on Cash and Cash Equivalents
Decrease in cash and cash equivalents
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and cash equivalents at beginning of period
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents at end of period
Earnings Per Share [Abstract]
Earnings per share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Investments, Debt and Equity Securities [Abstract]
INVESTMENTS
Marketable Securities [Table Text Block]
Statement of Stockholders' Equity [Abstract]
Common Stock Type [Axis]
Common Stock Type [Axis]
Common Stock Type [Axis]
Common Stock Type [Domain]
Common Stock Type [Domain]
Common Stock Type [Domain]
Class B Common Stock
Class B Common Stock [Member]
Class B Common Stock [Member]
Dividends per common share
Common Stock, Dividends, Per Share, Declared
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible assets subject to amortization
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Intangible Assets Amortization expense
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Update Of Summary Of Significant Accounting Policies [Table]
Update Of Summary Of Significant Accounting Policies [Table]
Update Of Summary Of Significant Accounting Policies [Table]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Maximum [Member]
Maximum [Member]
Update Of Summary Of Significant Accounting Policies [Line Items]
Update Of Summary Of Significant Accounting Policies [Line Items]
Update Of Summary Of Significant Accounting Policies [Line Items]
Finished Goods Included in inventories
Inventory, Finished Goods, Gross
Raw material and Work in progress included in inventories
Inventory, Work in Process and Raw Materials
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurements, Recurring
Fair Value, Measurements, Recurring [Member]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Hierarchy [Domain]
Level 1
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Time deposits/CDs
Bank Time Deposits Fair Value Disclosure
Bank Time Deposits, Fair Value Disclosure
Equity securities
Trading Securities
Fair value, Total
Investments, Fair Value Disclosure
WARRANTIES
Product Warranty Disclosure [Text Block]
Schedule Of Discontinued Operations [Table]
Schedule Of Discontinued Operations [Table]
Schedule Of Discontinued Operations [Table]
Discontinued Operations [Line Items]
Discontinued Operations [Line Items]
Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses
Proceeds from Divestiture of Businesses
Net sales
Disposal Group, Including Discontinued Operation, Revenue
Gross profit (loss)
Disposal Group, Including Discontinued Operation, Gross Profit (Loss)
Selling, general, and administrative expenses
Disposal Group, Including Discontinued Operation, Operating Expense
Income tax provision (benefit)
Discontinued Operation, Tax Effect of Discontinued Operation
Income (loss) from discontinued operations, net of tax
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
Goodwill and Intangible Assets Disclosure [Table]
Goodwill And Intangible Assets Disclosure [Table]
Goodwill and Intangible Assets Disclosure [Table]
Intangible Assets Disclosure [Line Items]
Goodwill And Intangible Assets Disclosure [Line Items]
Goodwill and Intangible Assets Disclosure [Line Items]
Weighted average number of years of amortization expense
Finite Lived Intangible Assets Remaining Amortization Expense Period
Finite lived intangible assets remaining amortization expense period.
Future lease commitments charges
Operating Leases of Lessee Disclosure [Table Text Block]
ACQUISITIONS
Business Combination Disclosure [Text Block]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Table]
Organization Consolidation And Presentation Of Financial Statements Disclosure [Table]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Table]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Commitments and Contingencies Disclosure [Table]
Commitments And Contingencies Disclosure [Table]
Commitments and Contingencies Disclosure [Table]
Commitments and Contingencies Disclosure [Line Items]
Commitments And Contingencies Disclosure [Line Items]
Commitments and Contingencies Disclosure [Line Items]
Rent expense from continuing operations during the first three months of fiscal 2013
Operating Leases, Rent Expense, Net
Earnings Per Share [Table]
Earnings Per Share [Table]
Earnings Per Share [Table]
Computation Of Earnings Per Share Line Items
Computation Of Earnings Per Share [Line Items]
Computation Of Earnings Per Share Line Items
Common stock shares, authorized
Common Stock, Shares Authorized
Preferred stock shares, authorized
Preferred Stock, Shares Authorized
Number of votes for Class B common stock
Number Of Votes For Class B Common Stock
Number of votes for class B common stock.
Cash dividends Class A common stock
Cash Dividends Class Common Stock Percentage
Cash dividends class common stock percentage.
Common stock options anti-dilutive
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
SEGMENT REPORTING
Segment Reporting Disclosure [Text Block]
DISCONTINUED OPERATIONS
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
Geographical [Axis]
Geographical [Axis]
Segment, Geographical [Domain]
Geographical [Domain]
North America
North America [Member]
Asia Pacific
Asia Pacific [Member]
Europe
Europe [Member]
Latin America
Latin America [Member]
Other
Other Credit Derivatives [Member]
Total, Gross Profit
Investments Schedule [Abstract]
Investment [Table]
Investment [Table]
Investment [Line Items]
Investment [Line Items]
Investment in time deposits and certificate of deposits
Investment In Time Deposits And Certificate Of Deposits
Investment in time deposits and certificate of deposits.
Investment in time deposits and certificate of deposits, less than twelve months
Investment In Time Deposits And Certificate Of Deposits Current
Investment in time deposits and certificate of deposits current.
Investment in time deposits and certificate of deposits, greater than twelve months
Investment In Time Deposits And Certificate Of Deposits Non Current
Investment in time deposits and certificate of deposits non current.
Investments, which are included in non-current assets
Available-for-sale Securities, Equity Securities
Proceeds from the sale of securities description
Proceeds From Sale Of Available For Sale Securities Equity Description
Proceeds from Sale of Available for Sale Securities Equity Description
Gross realized gains and losses on sale, description
Available For Sale Securities Gross Realized Gain Loss Description
Available for sale securities gross realized gain loss description.
Net unrealized holding gains, description
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Description
Other comprehensive income unrealized holding gain loss on securities arising during period net of tax description.
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Par Value
Par Value [Member]
Par value.
Additional Paid-in Capital
Additional Paid-in Capital [Member]
Common Stock in Treasury
Treasury Stock [Member]
Retained Earnings
Retained Earnings [Member]
Accumulated Other Comprehensive Income (loss)
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance (in shares)
Shares, Outstanding
Beginning Balance
Stockholders' Equity Attributable to Parent
Foreign currency translation
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Fair value adjustments on investments
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax
Share-based compensation:
Share-based Compensation [Abstract]
Stock options
Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition
Common stock:
Common Stock [Abstract]
No definition available.
Options Exercised
Stock Issued During Period, Value, Stock Options Exercised
Canceled Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Stock Issued During Period, Shares, Conversion of Convertible Securities
Stock Issued During Period, Shares, Conversion of Convertible Securities
Repurchase of common stock
Stock Repurchased During Period, Value
Other
Stockholders' Equity, Other
Dividends paid
Dividends [Abstract]
Dividends declared to common stock
Dividends, Common Stock, Cash
Ending Balance (in shares)
Ending Balance
Schedule of Goodwill [Table]
Schedule of Goodwill [Table]
Goodwill [Line Items]
Goodwill [Line Items]
GOODWILL AND OTHER INTANGIBLE ASSETS
Goodwill and Intangible Assets Disclosure [Text Block]
BASIS OF PRESENTATION
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Finite Lived Intangible Assets Future Amortization Expense [Table]
Finite Lived Intangible Assets Future Amortization Expense [Table]
Finite Lived Intangible Assets Future Amortization Expense [Table]
Finite Lived Intangible Assets Future Amortization Expense [Line Items]
Finite Lived Intangible Assets Future Amortization Expense [Line Items]
Finite Lived Intangible Assets Future Amortization Expense [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
2016
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2017
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2018
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2019
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Thereafter
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
Statement of Comprehensive Income [Abstract]
Cost of Sales
Cost of Revenue
Gross profit
Selling, general, and administrative expenses
Selling, General and Administrative Expense
Gain on disposal of assets
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property
Operating income (loss)
Operating Income (Loss)
Other (income) expense:
Nonoperating Income (Expense) [Abstract]
Investment/interest income
Investment Income, Net
Foreign exchange (gain) loss
Foreign Currency Transaction Gain (Loss), before Tax
Other, net
Other Nonoperating Income (Expense)
Total other income
Nonoperating Income (Expense)
Income (loss) from continuing operations before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest
Income tax provision (benefit)
Income Tax Expense (Benefit)
Income (loss) from continuing operations
Income (Loss) from Continuing Operations Attributable to Parent
Loss from discontinued operations, net of tax
Net income (loss)
Foreign currency translation gain (loss), net of tax
Comprehensive income (loss)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Net income per common share-Basic:
Earnings Per Share, Basic [Abstract]
Income from continuing operations
Income (Loss) from Continuing Operations, Per Basic Share
Income (loss) from discontinued operations
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share
Total net income per common share-Basic:
Earnings Per Share, Basic
Net income per Common share - Diluted:
Earnings Per Share, Diluted [Abstract]
Income from continuing operations
Income (Loss) from Continuing Operations, Per Diluted Share
Income (loss) from discontinued operations
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share
Total net income per Common share - Diluted:
Earnings Per Share, Diluted
Weighted average number of shares:
Weighted Average Number Of Shares [Abstract]
No definition available.
Common shares - Basic
Weighted Average Number of Shares Outstanding, Basic
Common shares - Diluted
Weighted Average Number of Shares Outstanding, Diluted
Income Tax [Table]
Income Tax [Table]
Income Tax [Table]
Statement, Operating Activities Segment [Axis]
Operating Activities [Axis]
Segment, Operating Activities [Domain]
Operating Activities [Domain]
Segment, Continuing Operations
Continuing Operations [Member]
Segment, Discontinued Operations
Discontinued Operations [Member]
Income Tax [Line Items]
Income Tax [Line Items]
Income Tax [Line Items]
Effective income tax rate from continuing operation
Effective Income Tax Rate Reconciliation, Percent
Federal statutory rate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Description of tax years open for examination in foreign tax jurisdictions
Income Tax Examination Years Open For Examination
Income Tax Examination, Years Open for Examination
Deferred Tax Liabilities, Other
Deferred Tax Liabilities, Other
Deferred Tax Liabilities, Undistributed Foreign Earnings
Deferred Tax Liabilities, Undistributed Foreign Earnings
Cumulative positive earnings of foreign subsidiaries
Undistributed Earnings of Foreign Subsidiaries
Liability for uncertain tax positions related to continuing operations, excluding interest and penalties
Liabilities For Uncertain Tax Positions Excluding Interests And Penalties
Liabilities For Uncertain Tax Positions Excluding Interests And Penalties
UPDATES TO CRITICAL ACCOUNTING POLICIES AND ESTIMATES
Significant Accounting Policies [Text Block]
Assets
Assets [Abstract]
Current assets:
Assets, Current [Abstract]
Cash and cash equivalents
Accounts receivable, less allowance of $564 and $581
Accounts Receivable, Net, Current
Inventories
Inventory, Net
Prepaid expenses and other assets
Prepaid Expense and Other Assets, Current
Deferred income taxes
Deferred Tax Assets, Net of Valuation Allowance, Current
Income tax receivable
Income Taxes Receivable, Current
Investments—current
Short-term Investments
Discontinued operations—assets
Total current assets
Assets, Current
Non-current assets:
Assets, Noncurrent [Abstract]
Property, plant and equipment, net
Property, Plant and Equipment, Net
Other intangibles
Intangible Assets, Net (Excluding Goodwill)
Non-current deferred income taxes
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent
Investments—non-current
Long-term Investments
Total non-current assets
Assets, Noncurrent
Total assets
Assets
Liabilities and Stockholders’ Equity
Liabilities and Equity [Abstract]
Current liabilities:
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Accrued liabilities
Accrued Liabilities, Current
Discontinued operations—liabilities
Disposal Group, Including Discontinued Operation, Liabilities, Current
Total current liabilities
Liabilities, Current
Non-current liabilities:
Liabilities, Noncurrent [Abstract]
Long-term income tax liabilities
Accrued Income Taxes, Noncurrent
Other non-current liabilities
Other Liabilities, Noncurrent
Total non-current liabilities
Liabilities, Noncurrent
Total liabilities
Liabilities
Commitments and contingencies
Commitments and Contingencies
Stockholders’ equity
Stockholders' Equity Attributable to Parent [Abstract]
Common stock
Common Stock, Value, Issued
Preferred stock, $1.00 par value, no shares issued
Preferred Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital
Common stock in treasury, at cost, 50 shares at August 30, 2014, and 1 share at May 31, 2014
Treasury Stock, Value
Retained earnings
Retained Earnings (Accumulated Deficit)
Accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss), Net of Tax
Total stockholders’ equity
Total liabilities and stockholders’ equity
Liabilities and Equity
LITIGATION
Legal Matters and Contingencies [Text Block]
Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table]
Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table]
Earnings Type [Axis]
Earnings Type [Axis]
Earnings Type [Axis]
Earnings Type [Domain]
Earnings Type [Domain]
[Domain] for Earnings Type [Axis]
Basic
Basic [Member]
Basic [Member]
Diluted
Diluted [Member]
Diluted [Member]
Operating Activities [Axis]
Operating Activities [Domain]
Continuing Operations
Discontinued Operations
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Numerator for Basic and Diluted Earnings Per Share [Abstract]
Numerator for Basic and Diluted Earnings Per Share [Abstract]
Numerator for Basic and Diluted Earnings Per Share [Abstract]
Income from continuing operations
Dividends
Dividends
Undistributed basic earnings (losses)
Undistributed Earnings, Basic
Undistributed diluted earnings (losses)
Undistributed Earnings, Diluted
Denominator for Basic and Diluted Earnings Per Share [Abstract]
Denominator for Basic and Diluted Earnings Per Share [Abstract]
Denominator for Basic and Diluted Earnings Per Share [Abstract]
Weighted average shares, basic (in shares)
Weighted average shares, diluted (in shares)
Weighted average shares and shares under if-coverted method for diluted EPS, basic (in shares)
Weighted average shares and shares under if-coverted method for diluted EPS, diluted (in shares)
Effect of dilutive securities dilutive stock options (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Denominator for diluted EPS adjusted for weighted average shares and assumed conversions (in shares)
Weighted Average Number Diluted Shares Outstanding Adjustment
Earnings Per Share, Basic and Diluted [Abstract]
Earnings Per Share, Basic and Diluted [Abstract]
Net income per share, basic (in dollars per share)
Net income per share, diluted (in dollars per share)
Antidilutive securities excluded from computation of earnings per share (in shares)
LEASE OBLIGATIONS, OTHER COMMITMENTS, AND CONTINGENCIES
Commitments and Contingencies Disclosure [Text Block]
Document Documentand Entity Information [Abstract]
Document Documentand Entity Information [Abstract]
Entities [Table]
Entities [Table]
Document Information [Line Items]
Document Information [Line Items]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Trading Symbol
Trading Symbol
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Credit payment period
Credit Payment Period
Credit payment period.
Investments measured at fair value on a recurring basis
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
CALCULATION OF EARNINGS PER SHARE
Earnings Per Share [Text Block]
DESCRIPTION OF THE COMPANY
Nature of Operations [Text Block]
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Trade Names [Member]
Trade Names [Member]
Customer Relationships
Customer Relationships [Member]
Noncompete Agreements [Member]
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets Gross
Finite-Lived Intangible Assets, Gross
Finite Lived Intangible Assets Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization