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Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Intertial Navigation Intertial Navigation [Member] Intertial Navigation [Member] The inertial navigation segment manufactures and distributes a portfolio of digital compass and fiber optic gyro (FOG)-based systems that address the rigorous requirements of military and commercial customers and provide reliable, easy-to-use and continuously available navigation and pointing data. 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Document Transition Report Document Transition Report Mobile Comm Product Sales Mobile Comm Product Sales [Member] Product Sales [Member] of the Mobile Connectivity segment Deferred income taxes Deferred Income Tax Expense (Benefit), Excluding Foreign Currency Translation Adjustment Deferred Income Tax Expense (Benefit), Excluding Foreign Currency Translation Adjustment Mobile Connectivity Mobile Connectivity [Member] Mobile Connectivity [Member] The mobile connectivity segment primarily manufactures and distributes a comprehensive family of mobile satellite antenna products and services that provide access to the Internet and voice services while on the move. 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Authorized 30,000,000 shares; 20,969,436 and 20,631,152 shares issued at June 30, 2023 and December 31, 2022, respectively; and 19,513,327 and 19,198,458 shares outstanding at June 30, 2023 and December 31, 2022, respectively Common Stock, Value, Outstanding Title of Individual [Domain] Title of Individual [Domain] Provision for doubtful accounts Accounts Receivable, Credit Loss Expense (Reversal) Additional paid-in capital Additional Paid in Capital Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Present value of lease payments Sales-type and Direct Financing Leases, Lease Receivable Foreign currency translation adjustment Finite-Lived Intangible Assets, Foreign Currency Translation Gain (Loss) 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Three Deferred income, current Deferred Income, Current Gain on sale of properties Gain (Loss) on Sale of Properties Shares issued (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Intellectual property Intellectual Property [Member] Entity Registrant Name Entity Registrant Name 2028 and thereafter Finite-Lived Intangible Asset, Expected Amortization, After Year Four Finite-Lived Intangible Asset, Expected Amortization, After Year Four Other non-current assets and non-current contract assets Increase (Decrease) in Other Operating Assets 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Two Cost of Sales Cost of Sales [Member] Employee Severance Employee Severance [Member] Document Period End Date Document Period End Date Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Exercise of stock options and issuance of restricted stock awards, net of forfeitures Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Disposal Group Name [Axis] Disposal Group Name [Axis] Schedule of assets measured at fair value on recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Depreciation expense Depreciation, Lessor Asset under Operating Lease Exercisable stock options, weighted average exercise price (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Treasury Stock Treasury Stock, Common [Member] Entity Central Index Key Entity Central Index Key Loss on disposals of fixed assets Gain (Loss) on Disposition of Property Plant Equipment Share-based payment Share-Based Payment Arrangement, Expense Gross Carrying Amount Finite-Lived Intangible Assets, Gross Income tax expense from continuing operations Income Tax Expense (Benefit) Non-US Non-US [Member] Finished goods Inventory, Finished Goods, Net of Reserves Dilutive common shares issuable in connection with stock plans (in shares) Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares Product Liability Contingency [Line Items] Product Liability Contingency [Line Items] Accrued compensation and employee-related expenses Employee-related Liabilities, Current Revenue Benchmark Revenue Benchmark [Member] Other comprehensive (loss) income, net of tax Other comprehensive income (loss) Net other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Cash used in operating activities - 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diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Transition support service, number of extensions Divestiture Of Business, Transition Support Service Number Of Extensions Divestiture Of Business, Transition Support Service Number Of Extensions Schedule of customer contract balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] 2024 Sales-Type and Direct Financing Leases, Payment to be Received, Year One Schedule of Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Significant Accounting Policies [Abstract] Significant Accounting Policies [Abstract] Significant Accounting Policies [Abstract] Net investment in lease, noncurrent Net Investment in Lease, before Allowance for Credit Loss, Noncurrent Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Management transition hours Management Transition Hours Management Transition Hours Capital expenditures Payments to Acquire Property, Plant, and Equipment Additional Paid-in Capital Additional Paid-in Capital [Member] Motor vehicles Vehicles [Member] Total assets Assets Cover [Abstract] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Fair Value Measurements Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] Total minimum lease payments Lessee, Operating Lease, Liability, to be Paid Stock options expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Net decrease in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Cost of sales Disposal Group, Including Discontinued Operation, Costs of Goods Sold Goodwill and other intangible asset impairment Goodwill and Intangible Asset Impairment Equity Component [Domain] Equity Component [Domain] Weighted average number of common shares outstanding: Earnings Per Share, Basic, Other Disclosure [Abstract] Work in process Inventory, Work in Process, Net of Reserves Basic (in shares) Weighted average common shares outstanding - 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