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Reconciliation [Abstract] Revenue by Region [Table] Disaggregation of Revenue [Table] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Operating Lease Expense [Table] Operating Weighted Average Term and Discount Rate [Table] Operating Lease Expense [Table] Operating Lease Expense [Table] Marketable Securities, Noncurrent Marketable Securities, Noncurrent Balances at beginning of period Balances at end of period SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Other assets Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key SEC Schedule, 12-09, Reserve, Inventory [Member] SEC Schedule, 12-09, Reserve, Inventory [Member] PEO Name PEO Name Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] 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Accounts Receivable, Allowance for Credit Loss, Current Accounts Receivable, Allowance for Credit Loss, Current Interest Expense Coverage Ratio Interest Expense Coverage Ratio Interest expense coverage ratio as defined in the entity's debt agreements. 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operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] Interest expense Interest Expense, Operating and Nonoperating Current Fiscal Year End Date Current Fiscal Year End Date Technology-Based Intangible Assets [Member] Technology-Based Intangible Assets [Member] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Business Combination, Recognized Liability Assumed, Other Liability, Current Business Combination, Recognized Liability Assumed, Other Liability, Current Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Sale Of Shares At Cost Sale Of Shares At Cost Amount represents the sale of Class A Nonvoting Common Stock resulting from deferred compensation transactions. 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