Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accrued Liabilities Accounts Receivable, Net, Current Trade accounts receivable, net Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income Payments to Acquire Businesses, Net of Cash Acquired Asset acquisitions, net of cash acquired Additional Paid In Capital Common Stock Additional paid-in capital Gain (Loss) on Sale of Other Assets Other Asset Impairment Charges Impairment loss on discontinued operations Assets Held For Sale Current Assets held for sale Condensed Consolidated Balance Sheets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Interest Paid, Net Interest Increase (Decrease) in Accounts Receivable Trade accounts receivable Increase (Decrease) in Deferred Compensation Accrued profit sharing trust contributions Increase (Decrease) in Accrued Income Taxes Payable Income taxes payable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Accounts Payable, Trade Trade accounts payable Increase (Decrease) in Workers' Compensation Liabilities Accrued workers' compensation Changes in operating assets and liabilities, net of effects of acquisitions: Increase (Decrease) in Accrued Liabilities Accrued liabilities Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Outstanding Common stock, shares outstanding Common Stock, Value, Issued Common stock, at par value Proceeds from Contributions from Affiliates Distributions from equity investment Cost of Goods Sold Cost of sales Inventory Write-down Provision for excess and obsolete inventory Current liabilities Liabilities, Current Total current liabilities Debt Disclosure [Text Block] Debt Deferred Income Tax Expense (Benefit) Deferred income taxes Business Combination Disclosure [Text Block] Acquisitions Earnings Per Share, Diluted Diluted (in dollars per share) Net income (in dollars per share) Income (Loss) from Equity Method Investments Effect of Exchange Rate on Cash and Cash Equivalents Effect of exchange rate changes on cash Share-based Compensation Noncash compensation related to stock plans Equity Method Investments Equity method investment Fair Value of Assets Acquired Noncash asset acquisition Gain (Loss) on Disposition of Assets Loss (gain) on sale of assets Gain (Loss) on Sale of Property Plant Equipment Loss (gain) on sale of assets Loss (gain) on sale of assets General and Administrative Expense General and administrative Gross Profit Gross profit Condensed Consolidated Statements of Operations Income Tax Disclosure [Text Block] Income Taxes Increase (Decrease) in Other Employee Related Liabilities Accrued cash profit sharing and commissions Proceeds from (Payments for) Long-term Loans for Related Parties Loan made to related party Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Interest Expense Interest expense Inventory, Net Inventories LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Stockholders' Equity. Total liabilities and stockholders' equity Liabilities Total liabilities Line of Credit, Current Line of credit Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Cash and Cash Equivalents, Period Increase (Decrease) Net increase in cash and cash equivalents Minority interest Long-term liabilities Liabilities, Noncurrent Operating Income (Loss) Income from operations Revenues Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Presentation Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, Net of Tax Translation adjustment, net of tax of ($14) for the period nine months ended September 30, 2010, ($4) for the period three months ended December 31, 2009, ($33) for the period nine months ended September 30, 2009 Other comprehensive income (loss): Other Assets, Current Other current assets Noncash capital expenditures Other Significant Noncash Transaction, Consideration Given Payments of Dividends, Common Stock Dividends paid Pension and Other Postretirement Benefits Disclosure [Text Block] Retirement Plans Preferred Stock, Shares Authorized Preferred stock, share authorized Preferred Stock, Shares Issued Preferred stock, shares issued Proceeds from Issuance of Common Stock Issuance of common stock Proceeds from Lines of Credit Line of credit borrowings Proceeds from Sale of Productive Assets Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of capital assets Property, Plant and Equipment, Net. Property, plant and equipment, net Provision for Doubtful Accounts Provision for (recovery of) doubtful accounts Payments to Acquire Equity Method Investments Contribution to equity investment Payments to Acquire Interest in Subsidiaries and Affiliates Acquisition of minority interest Payments to Acquire Property, Plant, and Equipment Capital expenditures Related Party Transactions Disclosure [Text Block] Related Party Transactions Payments for Repurchase of Common Stock Repurchase of common stock Retained Earnings (Accumulated Deficit) Retained earnings Sales Revenue, Net Net sales Equity Method Investments [Text Block] Investments Inventory Disclosure [Text Block] Inventories Schedule of Line of Credit Facilities [Text Block] Schedule of Subsequent Events [Text Block] Subsequent Events Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Schedule II Segment Reporting Disclosure [Text Block] Segment Information Selling and Marketing Expense Selling Condensed Consolidated Statements of Cash Flows Condensed Consolidated Statements of Stockholders' Equity Goodwill and Intangible Assets Disclosure [Text Block] Goodwill and Intangible Assets, Net Supplemental Disclosure of Cash Flow Information Income Taxes Paid Income taxes Current assets Assets, Current Total current assets Treasury Stock Schedule of Variable Interest Entities [Text Block] Consolidation of Variable Interest Entities Weighted Average Number of Shares Outstanding, Diluted Diluted (in shares) Weighted Average Number of Shares Outstanding, Basic Basic (in shares) Common Stock Property, Plant and Equipment Disclosure [Text Block] Property, Plant and Equipment, Net Dividends Payable, Amount Dividends declared but not paid Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Trade Accounts Receivable, Net Assets. Total assets Investment Income, Interest Investment Income, Interest and Dividend Interest income, net Goodwill, Impairment Loss Impairment of goodwill Long-term liabilities Other Liabilities, Noncurrent Treasury Stock, Value, Retired, Cost Method Retirement of treasury stock Common Stock, Dividends, Per Share, Declared Cash dividends declared per common share (in dollars per share) Cash dividends declared on common stock, per share Deferred Tax Assets, Net, Noncurrent Deferred income taxes Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock Option Plans Deferred Tax Assets, Net, Current Deferred income taxes Scenario, Unspecified [Domain] Statement [Table] Statement, Scenario [Axis] Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Loss in equity method investment Loss in equity method investment, before tax ASSETS Statement Quarterly Financial Information [Text Block] Selected Quarterly Financial Data Earnings Per Share, Basic Basic (in dollars per share) Net income (in dollars per share) Excess Tax Benefit from Share-based Compensation, Financing Activities Excess tax benefit of options exercised Increase (Decrease) in Stockholders' Equity Stockholders Equity Period Increase (Decrease) Stockholders Equity Period Increase (Decrease) Excess Tax Benefit from Share-based Compensation, Operating Activities Excess tax benefit of options exercised Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Common Stock, Shares, Issued Common stock, shares issued Other Assets, Noncurrent Other noncurrent assets Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Operating expenses: Operating Expenses Total operating expenses Earnings (loss) per common share: Weighted average number of shares outstanding Increase (Decrease) in Other Operating Liabilities Long-term liabilities Deferred Compensation Cash-based Arrangements, Liability, Current Accrued cash profit sharing and commissions Other Deferred Compensation Arrangements, Liability, Current Accrued profit sharing trust contributions Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Other Comprehensive Income, Foreign Currency Translation Adjustment, Tax Translation adjustment, tax (in dollars) Income Tax Expense (Benefit) Provision for income taxes from continuing operations Preferred Stock, Value, Issued Preferred stock, par value $0.01; authorized shares, 5,000; issued and outstanding shares, none Comprehensive income: Statement, Equity Components [Axis] Additional Paid-in Capital Retained Earnings Accumulated Other Comprehensive Income (Loss) Equity Component [Domain] Capital Expenditures Incurred but Not yet Paid Noncash capital expenditures Goodwill Goodwill Stock Issued During Period, Value, Share-based Compensation Issuance of Company's common stock for compensation Common stock issued at $26.42 and $27.76 per share for stock bonus during the nine months period September 30, 2010 and September 30, 2009, respectively Stock Issued During Period, Value, Stock Options Exercised Stock options exercised Stock Issued During Period, Shares, Share-based Compensation Common stock issued (in shares) Stock Issued During Period, Shares, Stock Options Exercised Stock options exercised (in shares) Treasury Stock, Shares, Acquired Repurchase of common stock (in shares) Stock Issued During Period, Shares, Period Increase (Decrease) Stock Issued During Period, Shares, Period Increase (Decrease) Cumulative Effect of Initial Adoption of FIN 48 Cumulative effect due to adoption of FIN 48 Adjustment Noncash activity during the period Treasury Stock, Value, Acquired, Cost Method Repurchase of common stock Adjustments to Additional Paid in Capital, Tax Effect from Share-based Compensation Tax benefit of options exercised Shares, Issued Balance (in shares) Balance (in shares) Net Income (Loss) Attributable to Parent Net income (loss) Net income Net income Net Income (Loss) Attributable to Noncontrolling Interest Minority interest Number of shares outstanding Accrued Income Taxes, Current Income taxes payable Depreciation, Depletion and Amortization Depreciation and amortization Comprehensive Income, Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income (loss) Stockholders' equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total stockholders' equity Balance Balance Accounts Payable, Current Trade accounts payable Accrued Liabilities, Current Accrued liabilities Commitments and Contingencies. Commitments and contingencies (Note 8) Dividends, Common Stock, Cash Cash dividends declared on common stock, $0.30 per share for the period nine months ended September 30, 2010, $0.10 per share for the period three months ended December 31, 2009 and $0.30 per share for the period nine months ended September 30, 2009 Adjustments to reconcile net income to net cash provided by operating activities: Workers' Compensation Liability, Current Accrued workers' compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value Stock compensation Research and development and other engineering Research and development and other engineering The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use; (3) to conduct internal product testing; (4) or to provide engineering support to customers in the form of testing services or product uses, specifications or requirements. Income from continuing operations before taxes Income Before Income Taxes and Noncontrolling Interest Income from operations before income taxes and noncontrolling interest. Other current assets Increase (Decrease) In Other Current Assets Increase Decrease in Other Current Assets The net change during the reporting period of other current assets. Other noncurrent assets Increase (Decrease) in Other Noncurrent Assets The net change during the reporting period of other noncurrent assets. Debt issuance costs Debt Issuance Costs for Credit Facility The cash outflow to acquire a credit facility. Supplemental Cash Flow, Cash Paid Cash paid during the year for Consolidation of VIE (Note 15) Consolidation of Variable Interest Entity The consolidation of net assets of variable interest entities. Document and Entity Information Valuation and Qualifying Accounts Share Based Compensation Per Share Common stock issued, per share The per share amount of shares issued during the period as a result of share-based compensation plans other than an employee stock ownership plan (ESOP). Operations and Summary of Significant Accounting Policies [Text Block] Operations and Summary of Significant Accounting Policies Description containing the entire organization, consolidation, basis of presentation of financial statements disclosure and significant accounting policies. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements. This element may be used to describe all significant accounting policies of the reporting entity. Interest Income, Net Interest income, net Represents the net of interest income and expenses during the period. Payments For Long Term Loans For Related Parties Loans made to related parties The cash outflow associated with long-term loans for related parties where one party can exercise control or significant influence over another party, including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Proceeds For Long Term Loans For Related Parties Loans repaid by related parties The cash inflow associated with long-term loans for related parties where one party can exercise control or significant influence over another party, including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Basis of Presentation Trade Accounts Receivable, Net Inventories Property, Plant and Equipment, Net Investments Goodwill and Intangible Assets, Net Debt Commitments and Contingencies Stock Option Plans Segment Information Subsequent Events Acquisitions Accrued Liabilities Income Taxes Retirement Plans Related Party Transactions Consolidation of Variable Interest Entities Selected Quarterly Financial Data Operations and Summary of Significant Accounting Policies Repayments of Lines of Credit Repayment of line of credit borrowings Comprehensive Income Liabilities of Assets Held-for-sale Liabilities held for sale Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest Income from continuing operations, net of tax Discontinued operations: Basic Continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share Discontinued operations (in dollars per share) Diluted Continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share Discontinued operations (in dollars per share) Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax Income (loss) from discontinued operations Discontinued Operation, Tax Effect of Income (Loss) from Discontinued Operation During Phase-out Period Benefit from (provision for) income taxes from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Income (loss) from discontinued operations, net of tax Discontinued Operations Discontinued Operations Disclosure [Text Block] Discontinued Operations Proceeds from sale of discontinued operations Proceeds From Divestiture Of Businesses Loss on sale of discontinued operations Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax