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Disposal Group, Including Discontinued Operation, Expected Loss Customer Concentration Risk Customer Concentration Risk [Member] Unrecognized tax benefits Unrecognized Tax Benefits Technology Technology [Member] Technology Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Receivables Billing Status [Domain] Receivables Billing Status [Domain] Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Unrecognized tax benefits that would result in an adjustment to effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Loss from discontinued operations, net of tax Loss from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Address, Address Line One Entity Address, Address Line One Unbilled Revenues Unbilled Revenues [Member] Accounting Policies [Table] Accounting Policies [Table] Accounting Policies Product and Service [Axis] Product and Service [Axis] Class of Stock [Domain] Class of Stock [Domain] Interest expense Interest expense Interest Expense Credit Facility [Axis] Credit Facility [Axis] Insurance recoveries Insurance Recoveries Refinanced Revolver Refinanced Revolver [Member] Refinanced Revolver Schedule of Long-term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Recoverable amount Loss Contingency, Estimated Recovery from Third Party, Amount Loss Contingency, Estimated Recovery from Third Party, Amount Subsequent Event [Table] Subsequent Event [Table] Entity Tax Identification Number Entity Tax Identification Number Line of credit facility, quarterly payment, percent of principal Line of Credit Facility, Quarterly Payment, Percent of Principal Line of Credit Facility, Quarterly Payment, Percent of Principal Schedule of Investments [Table] Schedule of Investments [Table] Interest rate Derivative, Fixed Interest Rate Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Contract with customer, assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Lease costs Lease Costs [Member] Lease Costs Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Schedule of Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Equity Interest Type [Axis] Equity Interest Type [Axis] Entity Central Index Key Entity Central Index Key Interest income Interest income Investment Income, Interest Measurement Frequency [Axis] Measurement Frequency [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Name of Property [Axis] Name of Property [Axis] Taxes paid by Company for employee stock plans Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Compliance Matters Compliance Matters [Member] Compliance Matters Other accrued liabilities Other Accrued Liabilities, Current Entity [Domain] Entity [Domain] City Area Code City Area Code ASSETS Assets [Abstract] Debt issuance cost, noncurrent portion Debt Issuance Costs, Noncurrent, Net Impairment of indefinite-lived intangible assets Impairment of Intangible Assets (Excluding Goodwill) Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Sale of Stock [Axis] Sale of Stock [Axis] Line of credit Line of Credit, Current Revenue, Major Customer [Line Items] Revenue, Major Customer [Line Items] Upon Sale of Yucatan Upon Sale of Yucatan [Member] Upon Sale of Yucatan Customer Three Customer Three [Member] Customer Three Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Variable Rate [Axis] Variable Rate [Axis] Other non-current liabilities Other Liabilities, Noncurrent Continuing operations: Continuing Operations [Member] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Number of product category Number Of Product Category Number Of Product Category Asset impairment charges Asset Impairment Charges Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Research and development Research and Development Expense [Member] Schedule of Computation of Diluted Net Income Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Revolver interest rate Line of Credit Facility, Interest Rate at Period End Cost of product sales Cost of Sales [Member] Customer [Domain] Customer [Domain] Product [Member]