Treasury Stock, Value Treasury stock, 2,389,034 and XXXXX common shares, at cost Treasury stock, 2,807,764 and 2,599,503 common shares, at cost Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Treasury stock, 2,599,503 and xxx common shares, at cost Treasury stock, 2,389,034 and XXXXX common shares, at cost Cash and cash equivalents Costs and estimated earnings in excess of billings on uncompleted contracts Inventories Total current assets Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property and equipment, net of accumulated depreciation of $330,070 and $344,030 Property and equipment, net of accumulated depreciation of $403,465 and $383,714 Other assets, net Intangible Assets, Net (Excluding Goodwill) Other intangible assets, net of accumulated amortization of $57,215 and $62,121 Other intangible assets, net of accumulated amortization of $102,015 and $96,167 Total assets Notes Payable, Current Notes payable Current maturities of long-term debt and notes payable Total current liabilities Deferred income taxes Total liabilities Common Stock, Value, Issued Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Common stock, $.00001 par value, 300,000,000 shares authorized, 213,067,039 and 211,977,811 shares issued and 210,259,275 and 209,378,308 shares outstanding Retained Earnings(Accumulated Deficit) Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Accumulated deficit Retained earnings Accumulated other comprehensive income Total stockholders' equity Noncontrolling interest Total liabilities and equity ASSETS Current Assets: LIABILITIES AND EQUITY Current Liabilities: Equity: Earnings per share attributable to common stock: Goodwill and Other Intangible Assets [Abstract] Goodwill and Other Intangible Assets [Abstract] GOODWILL AND OTHER INTANGIBLE ASSETS. Segment Information [Abstract] Segment Information [Abstract] SEGMENT INFORMATION. Commitments and Contingencies [Abstract] Commitments and Contingencies [Abstract] COMMITMENTS AND CONTINGENCIES. BUSINESS AND ORGANIZATION GOODWILL AND OTHER INTANGIBLE ASSETS Debt Disclosure [Text Block] DEBT OBLIGATIONS EQUITY SEGMENT INFORMATION COMMITMENTS AND CONTINGENCIES Cash Flows from Financing Activities: Cash Flows from Investing Activities: Cash Flows from Operating Activities: Changes in operating assets and liabilities, net of non-cash transactions- (Increase) decrease in- Increase (decrease) in- Gross profit Selling, general and administrative expenses Operating income Interest expense Interest income Other income (expense), net Income before income taxes Provision for income taxes Net income attributable to common stock Basic earnings per share Diluted earnings per share Weighted average basic shares outstanding Weighted average basic shares outstanding Weighted average diluted shares outstanding Depreciation Amortization of debt issuance costs Amortization of deferred revenues Loss on sale of property and equipment Provision for doubtful accounts Deferred Income Tax Expense (Benefit) Deferred Income Tax Expense (Benefit), Total Deferred income tax provision Non-cash stock-based compensation Tax impact of stock-based equity awards Accounts and notes receivable Inventories Billings in excess of costs and estimated earnings on uncompleted contracts Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Proceeds from sale of property and equipment Payments to Acquire Property, Plant, and Equipment Additions of property and equipment Additions of property and equipment Additions of property and equipment Net cash used in investing activities Proceeds from other long-term debt Payments on other long-term debt Tax impact of stock-based equity awards Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net increase (decrease) in cash and cash equivalents Net increase (decrease) in cash and cash equivalents Effect of foreign exchange rate changes on cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Common stock, par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Treasury stock, common shares Allowances on accounts receivable Accumulated depreciation on property and equipment Accumulated amortization on other intangible assets Total equity Net income Cash and cash equivalents Inventories Accounts payable and accrued expenses Accounts payable and accrued expenses Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accounts Receivable, Net, Current Accounts Receivable, Net, Current, Total Accounts receivable, net of allowances of $8,038 and $8,119 Limited vote common stock, shares outstanding Limited vote common stock, shares outstanding Limited vote common stock, shares outstanding. Limited vote common stock, shares issued Limited vote common stock, shares issued Limited vote common stock, shares issued. Limited vote common stock, shares authorized Limited vote common stock, shares authorized Limited vote common stock, shares authorized. Limited vote common stock, par value Limited vote common stock, par value Limited vote common stock, par value. Basic earnings per share Diluted earnings per share Net income attributable to common stock Less: Net income attributable to noncontrolling interest Less: Net income attributable to noncontrolling interest Net income Provision for income taxes Income before income taxes Other income (expense),net Interest expense Selling, general and administrative expenses Depreciation (Gain) loss on sale of property and equipment Supplemental disclosure of cash flow information: Income tax refunds Cash (paid) received during the period for- Cash paid received during the period for abstract Cash (paid) received during the period for. Non-cash stock-based compensation Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities- Inventories Proceeds from sale of property and equipment Effect of foreign exchange rate changes on cash and cash equivalents Amortization of intangibles Amortization of intangible assets Convertible Subordinated Debt, Noncurrent Convertible subordinated notes, net of discount of $16,005 and $17,142 Billings in excess of costs and estimated earnings on uncompleted contracts Non-cash interest expense Other, net Discount on convertible subordinated notes Discount on convertible subordinated notes Discount on convertible subordinated notes which when netted against the principal amount of the notes outstanding results in the carrying value of the convertible subordinated notes presented on the face of the balance sheet. Interest paid Income taxes paid Cost of services (including depreciation) Cost of services (including depreciation) Prepaid expenses and other current assets Goodwill Goodwill, Beginning Balance Goodwill, Ending Balance Insurance and other non-current liabilities Limited Vote Common Stock Value Limited Vote Common Stock, $.00001 par value, 3,345,333 shares authorized, 662,293 and 662,293 shares issued and outstanding, respectively Limited Vote Common Stock, $.00001 par value, 3,345,333 shares authorized, 662,293 and 662,293 shares issued and outstanding, respectively Dollar value of issued limited vote common stock at par value. Note: elements for number of limited vote common shares, par value and other disclosure concepts are in another section within stockholders' equity. Additional paid-in capital Additional Paid in Capital, Common Stock, Beginning Balance Additional Paid in Capital, Common Stock, Ending Balance Costs and estimated earnings in excess of billings on uncompleted contracts Prepaid expenses and other current assets Increase (Decrease) in Prepaid, Deferred Expense and Other Assets, Total Accounts payable and accrued expenses and other non-current liabilities Gross profit Operating income Total current assets Billings in excess of costs and estimated earnings on uncompleted contracts Total current liabilities Total stockholders' equity Stockholders' Equity Attributable to Parent, Beginning Balance Stockholders' Equity Attributable to Parent, Ending Balance Other, net Exercise of stock options PER SHARE INFORMATION Discount Against Convertible Subordinated Notes Revenues Sales Revenue, Services, Net, Total Sales Revenue, Services, Net Earnings per share attributable to common stock: Insurance and other non-current liabilities Other Liabilities, Noncurrent Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance Stockholders' Equity Attributable to Noncontrolling Interest Goodwill Goodwill Prepaid expenses and other current assets Other Assets, Current Exercise of stock options Proceeds from Stock Options Exercised Weighted average diluted shares outstanding Weighted Average Number of Shares Outstanding Summary of Significant Accounting Policies [Abstract] Summary of Significant Accounting Policies [Abstract] Summary of Significant Accounting Policies. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Text Block] NEW ACCOUNTING PRONOUNCEMENTS Goodwill and Intangible Assets Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Earnings Per Share [Text Block] Stockholders' Equity Note Disclosure [Text Block] Segment Reporting Disclosure [Text Block] Commitments and Contingencies Disclosure [Text Block] Gain (Loss) on Sale of Property Plant Equipment Amortization of Intangible Assets Allowance for Doubtful Accounts Receivable, Current, Beginning Balance Allowance for Doubtful Accounts Receivable, Current, Ending Balance Allowance for Doubtful Accounts Receivable, Current Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Commitments and Contingencies Commitments and Contingencies Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Assets [Abstract] Assets, Current [Abstract] Cash and Cash Equivalents, at Carrying Value Costs in Excess of Billings on Uncompleted Contracts or Programs Expected to be Collected within One Year Inventory, Net Assets, Current Other Assets, Noncurrent Assets Liabilities and Stockholders' Equity [Abstract] Liabilities, Current [Abstract] Accounts Payable and Accrued Liabilities, Current Billings in Excess of Cost Liabilities, Current Deferred Tax Liabilities, Noncurrent Liabilities Stockholders' Equity Attributable to Parent [Abstract] Additional Paid in Capital, Common Stock Accumulated Other Comprehensive Income (Loss), Net of Tax Stockholders' Equity Attributable to Parent Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Liabilities and Stockholders' Equity Finite-Lived Intangible Assets, Accumulated Amortization Common Stock, Par or Stated Value Per Share Common Stock, Shares Authorized Common Stock, Shares, Issued Common Stock, Shares, Outstanding Treasury Stock, Shares Cost of Services Gross Profit Selling, General and Administrative Expense Operating Income (Loss) Interest Expense Investment Income, Interest Other Nonoperating Income (Expense) Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest Income Tax Expense (Benefit) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net Income (Loss) Attributable to Noncontrolling Interest Net Income (Loss) Available to Common Stockholders, Basic Per Share Information [Abstract] Earnings Per Share, Basic Earnings Per Share, Diluted Weighted Average Number of Shares Outstanding, Basic Net Cash Provided by (Used in) Operating Activities [Abstract] Depreciation Amortization of Debt Discount (Premium) Amortization of Financing Costs Recognition of Deferred Revenue Provision for Doubtful Accounts Share-based Compensation Excess Tax Benefit from Share-based Compensation, Operating Activities Increase (Decrease) in Operating Capital [Abstract] Increase (Decrease) in Operating Assets [Abstract] Increase (Decrease) in Accounts and Notes Receivable Increase (Decrease) in Unbilled Receivables Increase (Decrease) in Inventories Increase (Decrease) in Prepaid, Deferred Expense and Other Assets Increase (Decrease) in Operating Liabilities [Abstract] Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Increase (Decrease) in Billing in Excess of Cost of Earnings Increase (Decrease) in Other Operating Liabilities Net Cash Provided by (Used in) Investing Activities [Abstract] Proceeds from Sale of Property, Plant, and Equipment Net Cash Provided by (Used in) Investing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from Issuance of Other Long-term Debt Repayments of Other Long-term Debt Excess Tax Benefit from Share-based Compensation, Financing Activities Effect of Exchange Rate on Cash and Cash Equivalents Supplemental Cash Flow Information [Abstract] Interest Paid Income Taxes Paid Proceeds from Income Tax Refunds Interest expense Payments on other long-term debt Beginning Balance Ending Balance Condensed Consolidated Balance Sheets [Abstract] Balance Sheets Condensed Consolidated Statements of Operations [Abstract] New Accounting Pronouncements [Abstract] Condensed Consolidated Statements of Cash Flows [Abstract] Business and Organization [Abstract] Stock-Based Compensation [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] STOCK-BASED COMPENSATION Earnings Per Share [Abstract] Shares used in computing earnings per share: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Foreign Currency Transaction Gain (Loss), Unrealized Foreign currency (gain) loss Document Fiscal Year Focus Document Fiscal Period Focus Equity [Abstract] Subsequent Event. Subsequent Event [Abstract] Schedule of Subsequent Events [Text Block] SUBSEQUENT EVENT Document and Entity Information [Abstract] Document and Entity Information. Debt Obligations. Debt Obligations [Abstract]