Amendment Flag Current Fiscal Year End Date Document Period End Date Entities [Table] Entity Information [Line Items] Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type Changes in Accumulated Other Comprehensive Loss by Component [Roll Forward] Asia [Member] BASIS OF PRESENTATION AND ACCOUNTING POLICIES [Abstract] Joint venture liability Accounts Payable, Related Parties, Current ACCRUED EXPENSES Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accounts payable Accounts receivable, net of allowance for doubtful accounts of $1,692 in 2017 and $1,781 in 2016 Accounts Receivable, Net, Current ACCRUED EXPENSES [Abstract] Accrued expenses Accrued expenses Accrued Liabilities, Current Sales commissions Unrealized Holding Gains on Available-for-Sale Securities [Member] Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Unfunded SERP Liability [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Unrealized holding gains on available-for-sale securities, net of taxes of $92 at June 30, 2017 and $263 at December 31, 2016 Foreign Currency Translation Adjustment [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated other comprehensive loss [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss) [Member] Unfunded SERP liability, net of taxes of ($1,333) at June 30, 2017 and ($1,398) at December 31, 2016 Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax Foreign currency translation adjustment, net of taxes of ($800) at June 30, 2017 and ($984) at December 31, 2016 Accumulated other comprehensive loss Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Additional paid-in capital Additional Paid-in Capital [Member] Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments for New Accounting Pronouncements [Axis] Accounts receivable, allowance for doubtful accounts Amortization of deferred financing costs Impairment charges Impairment charges Construction in Progress [Member] Asset under Construction [Member] Total assets Assets ASSETS Assets [Abstract] Financial assets accounted at fair value Current assets: Current Assets Total current assets Assets, Current BASIS OF PRESENTATION AND ACCOUNTING POLICIES Basis of Presentation and Significant Accounting Policies [Text Block] Buildings and Improvements [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Cash and cash equivalents - end of period Cash and cash equivalents - beginning of period Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Net decrease in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Class of Stock [Domain] People's Republic of China Joint Venture [Member] Co-venturer [Member] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Commitments and contingencies COMMITMENTS AND CONTINGENCIES [Abstract] Class A Common Stock [Member] Class A [Member] Class A Common Share [Member] Common share (in dollars per share) Common stock, authorized (in shares) Class B Common Stock [Member] Class B [Member] Class B Common Share [Member] Common Stock Common stock, par value (in dollars per share) Common stock, outstanding (in shares) RETIREMENT FUND AND PROFIT SHARING PLAN [Abstract] ACCUMULATED OTHER COMPREHENSIVE LOSS Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Consolidation Items [Axis] Consolidation Items [Domain] Cost of sales Credit Facility [Axis] Credit Facility [Domain] DEBT Debt Disclosure [Text Block] DEBT [Abstract] Deferred finance cost net Debt Issuance Costs, Net Deferred income taxes Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Deferred income taxes Deferred Tax Liabilities, Net, Noncurrent Defined Contribution Plan [Table] Defined Contribution Plan Name [Axis] Defined Contribution Plan Disclosure [Line Items] Total amounts recognized in accumulated other comprehensive loss Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax Net amortization Defined Benefit Plan, Amortization of Gains (Losses) Net loss Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax Defined Benefit Plan Disclosure [Line Items] Amounts recognized in accumulated other comprehensive loss, pretax [Abstract] Defined Contribution Plan Name [Domain] Interest cost Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Compensation expense Service cost Components of SERP expense [Abstract] Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Prior service cost Depreciation and amortization Depreciation expense Less dividends declared Dividends, Common Stock, Cash Europe [Member] Basic and diluted (in dollars per share) Common share - basic and diluted (in dollars per share) Net earnings (loss) per share [Abstract] Net earnings (loss) per common share: Earnings Per Share, Basic and Diluted [Abstract] Weighted-average shares outstanding [Abstract] Weighted-average number of shares outstanding: Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] EARNINGS (LOSS) PER SHARE Earnings Per Share [Text Block] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] EARNINGS (LOSS) PER SHARE [Abstract] Effect of exchange rate changes on cash and cash equivalents Salaries, bonuses and related benefits Equity Component [Domain] Measurement Frequency [Axis] FAIR VALUE MEASUREMENTS [Abstract] Nonrecurring [Member] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Measurement Frequency [Domain] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Net unrealized losses (gains) on foreign currency revaluation Foreign Currency Transaction Gain (Loss), before Tax Gain from divestiture of business Impairment of goodwill and other intangible assets Impairment of goodwill and other intangible assets Goodwill Gross profit Gross Profit Intersegment Elimination [Member] Impairment of property, plant and equipment INCOME TAXES [Abstract] Earnings (loss) before provision for (benefit from) income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest INCOME TAXES Income Tax Disclosure [Text Block] Income tax benefits Provision for (benefit from) income taxes Income Tax Contingency [Table] CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) [Abstract] Income Tax Contingency [Line Items] Income tax payments, net of refunds received Account payable Increase (Decrease) in Accounts Payable Accounts receivable, net Increase (Decrease) in Accounts Receivable Accrued expenses Increase (Decrease) in Accrued Liabilities Inventories Increase (Decrease) in Inventories Changes in operating assets and liabilities: Other operating assets/liabilities, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Interest expense Interest Expense Interest income and other, net Interest expense incurred Interest payments Components of inventories [Abstract] Inventories Inventories Inventory, Net Finished goods INVENTORIES Inventory Disclosure [Text Block] INVENTORIES [Abstract] Work in progress Raw materials Available-for-sale securities carrying amount Investments, Fair Value Disclosure Land [Member] Total liabilities Liabilities Total liabilities and stockholders' equity Liabilities and Equity LIABILITIES AND STOCKHOLDERS' EQUITY Long-term liabilities: Total current liabilities Liabilities, Current Current liabilities: Liability for uncertain tax positions Liability for Uncertainty in Income Taxes, Noncurrent Liability for uncertain tax positions - current Liability for Uncertainty in Income Taxes, Current Line of Credit Facility [Table] Line of Credit Facility [Abstract] Outstanding borrowings Long-term Line of Credit Line of Credit Facility [Line Items] Interest rate on borrowings outstanding Available line of credit Litigation Case [Domain] Litigation Case [Axis] Fair value of total debt Carrying amount of long-term debt Current portion of long-term debt Long-term debt Long-term Debt, Excluding Current Maturities Loss Contingencies [Table] Loss Contingencies [Line Items] Noncurrent liability and offsetting indemnification asset Loss Contingency, Estimate of Possible Loss Machinery and Equipment [Member] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Minority interest ownership percentage Noncontrolling Interest, Ownership Percentage by Parent Schedule of warranty accrual account for the period from the acquisition date [Roll Forward] North America [Member] Net cash (used in) provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from financing activities: Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from investing activities: Cash flows from operating activities: Numerator [Abstract] Net earnings (loss) Net earnings (loss) Net earnings (loss) available to common stockholders Net earnings (loss) available to common shareholders Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities New Accounting Pronouncements or Change in Accounting Principle [Table] Recently Adopted Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Number of reportable operating segments Other comprehensive income before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Income (loss) from operations Income (Loss) from operations Operating Income (Loss) Currency translation adjustment, net of taxes of $153 in the three months ended June 30, 2017, $0 in the three months ended June 30, 2016, $184 in the six months ended June 30, 2017 and $0 in the six months ended June 30, 2016 Currency translation adjustment, tax Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Other, net Other Noncash Income (Expense) Change in unfunded SERP liability, net of taxes of $32 in the three months ended June 30, 2017, $32 in the three months ended June 30, 2016, $65 in the six months ended June 30, 2017 and $104 in the six months ended June, 2016 Other current assets Other Assets, Current Change in unfunded SERP liability, tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax Other assets Other Assets, Noncurrent Unrealized gains (losses) on marketable securities arising during the period, tax Unrealized gains (losses) on marketable securities arising during the period, net of taxes of $7 in the three months ended June 30, 2017, $33 in the three months ended June 30, 2016, $(170) in the six months ended June 30, 2017 and $60 in the six months ended June 30, 2016 Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Gross unrealized gains associated with the investment held in the rabbi trust Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Other liabilities Other Liabilities, Noncurrent Other current liabilities Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Parenthetical Disclosures [Abstract] Other Other comprehensive income (loss) Net current period other comprehensive income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Payment of deferred financing costs Payments of Debt Issuance Costs Dividends paid to common stockholders Payments of Dividends Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Minimum pension obligation and unfunded pension liability RETIREMENT FUND AND PROFIT SHARING PLAN Pension and Other Postretirement Benefits Disclosure [Text Block] Preferred stock, issued (in shares) Preferred stock, par value (in dollars per share) Preferred stock, authorized (in shares) Preferred stock, no par value, 1,000,000 shares authorized; none issued Reduction in notes payable Borrowings under revolving credit line Proceeds from disposal/sale of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Warranty accrual Property, Plant and Equipment, Type [Domain] Property, plant and equipment [Abstract] Property, Plant and Equipment, Net [Abstract] PROPERTY, PLANT AND EQUIPMENT [Abstract] Property, plant and equipment Property, Plant and Equipment [Table Text Block] Property, plant and equipment, net Property, plant and equipment, net Property, Plant and Equipment, Net Property, Plant and Equipment [Line Items] Property, plant and equipment, gross Property, Plant and Equipment, Type [Axis] PROPERTY, PLANT AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] Reportable Operating Segments [Member] Amount reclassified from accumulated other comprehensive loss Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Summary of key financial data [Abstract] RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Related Party [Domain] Related Party Transactions [Line Items] Related Party Transaction [Line Items] Related Party [Axis] RELATED PARTY TRANSACTIONS [Abstract] Repayments of long-term debt Repayments of Long-term Debt Repayments of revolving credit line Repayments of Long-term Lines of Credit Restructuring charges Retained Earnings [Member] Retained earnings Net sales Revenues Revolving Credit Facility [Member] Net sales to external customers Sales Revenue, Goods, Net Components of inventories Components of accumulated other comprehensive loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Accrued expenses Schedule of Accrued Liabilities [Table Text Block] Gross amounts recognized in accumulated other comprehensive loss, net of tax Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] Schedule of earnings and weighted average shares outstanding used in the computation of basic and diluted earnings (loss) per share Schedule of warranty accrual account for the period from the acquisition date Schedule of Product Warranty Liability [Table Text Block] Components of SERP expense Schedule of Net Benefit Costs [Table Text Block] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Schedule of Defined Benefit Plans Disclosures [Table] Property, Plant and Equipment [Table] Key financial data Related Party Transactions [Table] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Segment Reporting Information, by Segment [Table] SEGMENTS Segment Reporting Disclosure [Text Block] SEGMENTS [Abstract] Segment Reporting Information [Line Items] Geographical [Domain] Selling, general and administrative expenses Selling, General and Administrative Expense Stock-based compensation Beginning balance as of beginning of period Ending balance as of end of period Standard Product Warranty Accrual Currency translation Less repair costs incurred Standard Product Warranty Accrual, Period Increase (Decrease) Class of Stock [Axis] Statement [Line Items] Equity Components [Axis] Equity Components [Axis] CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) [Abstract] CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) [Abstract] Statement [Table] CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) [Abstract] Geographical [Axis] SERP [Member] Stockholders' Equity: Total stockholders' equity Balance Balance Stockholders' Equity Attributable to Parent Subsequent Event [Member] Subsequent Event Type [Axis] Subsequent Event Type [Domain] SERP [Member] Supplemental Employee Retirement Plan [Member] Supplementary information: Common stock, treasury shares (in shares) Type of Adoption [Domain] Undistributed earnings (loss) Undistributed Earnings, Basic Liability for uncertain positions reversed due to lapse in statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Interest and penalties uncertain tax positions recognized Accrued interest and penalties uncertain tax positions Liability for uncertain tax positions Basic and diluted (in shares) Common share - basic and diluted (in shares) Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to subcontracting labor. Used to reflect current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued subcontracting labor Subcontracting labor Represents the aggregate increase in the charges and costs accrued of the standard product warranty. Standard Product Warranty Accrual Charges and Costs Accrued Charges and costs accrued Represents liability for a standard product warranty adjustments related to pre-existing warranties (including changes in estimates). Standard Product Warranty Accrual Adjustments Related to Pre-existing Warranties Including changes in Estimates Adjustments related to pre-existing warranties (including changes in estimates) Accounting Standards Update 2016-09 Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting. Accounting Standards Update 2016-09 [Member] ASU 2016-09 [Member] Cash Paid During Period For [Abstract] Cash paid during the period for: Value of investment in a trust (for example, a 'rabbi trust') set up specifically to accumulate stock for the sole purpose of distribution to participating employees. Investments held in Rabbi Trust [Member] The amount of the transfers of assets or liabilities measured on a recurring basis between different levels of the fair value hierarchy. Transfers in out between levels Transfers in (out) between levels The increase (decrease) during the reporting period in the value of impairment charge. Increase Decrease In Impairment Charge Reduction of impairment charge Decrease in impairment charge Inventory purchased from the joint venture during the period. Inventory purchases from joint venture Inventory purchase payment from joint venture Acquisition of net assets or equity interests of an entity wherein the acquiring entity obtains control over the acquired entity. Power Solutions [Member] Dividends Paid Per Share [Abstract] Dividends paid per common share: Acquisition of net assets or equity interests of an entity wherein the acquiring entity obtains control over the acquired entity. Arezzo Revenue Agency [Member] Number of subsidiary in Dusseldorf, Germany. Number of subsidiary entity against lawsuit Number of subsidiary entity against lawsuit Refers to monetary loan that is repaid in regular payments over a set period of time. Term Loan [Member] Number of industry in which entity operates with its reportable operating segments. Number of industry in which entity operates ACCUMULATED OTHER COMPREHENSIVE LOSS [Abstract] Tabular disclosure of changes in components of accumulated other comprehensive income (loss). Schedule of changes in accumulated other comprehensive loss by component [Table Text Block] Changes in accumulated other comprehensive loss by component Accumulated Other Comprehensive Income Loss Tax Effect [Abstract] Accumulated other comprehensive loss, tax [Abstract] Tax effect of accumulated appreciation or loss in value of foreign currency translation adjustment at the end of an accounting period. Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax Effect Foreign currency translation adjustment, tax Tax effect of accumulated appreciation or loss in value of total available-for-sale securities at the end of an accounting period. Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Tax Effect Unrealized holding gains on available-for-sale securities, tax Tax portion in relation to net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost. Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax Effect Change in unfunded SERP liability, tax Document and Entity Information [Abstract] The amount of benefit recognized for the reversal of uncertain tax positions related to interest and penalties. Interest and penalties uncertain tax positions recognized reversal Interest and penalties uncertain tax positions recognized reversal Amount of current income tax expense (benefit) and deferred income tax expense (benefit) on reversal of interest and penalties pertaining to continuing operations. Income Tax Expense (Benefit) on reversal of interest and penalties Benefit on reversal of interest and penalties Amount of best estimate decrease in unrecognized tax benefits resulting from the expiration of limitations or settlement in the next fiscal year. Unrecognized Tax Benefits, Decrease Resulting From Expiration Of Statute Of Limitations or Settlement, Next Fiscal Year Liability for uncertain positions expected to be reversed in next fiscal year The annual accrual of the amount expected to be recognized for uncertain tax positions as of the balance sheet date. Annual accrual for liability for uncertain tax positions The Company's retirement fund covering substantially all of their Hong Kong-based full-time employees. Retirement Fund [Member] The defined contribution 401k plan. Four Zero One K Plan [Member] 401K Plan [Member] Number of shares of the company's common stock owned by the plan. Shares Held in Plan Shares owned by plan (in shares) Earning Per Share Two Class Method [Abstract] Earnings and weighted average shares outstanding [Abstract] Weighted Average Number of Shares Outstanding, Basic and Diluted [Abstract] Denominator [Abstract]