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Disclosure - Organization and Significant Accounting Policies - Long-Lived Assets (Details) link:presentationLink link:calculationLink link:definitionLink 99940105 - Disclosure - Organization and Significant Accounting Policies - Cloud Computing (Details) link:presentationLink link:calculationLink link:definitionLink 99940106 - Disclosure - Organization and Significant Accounting Policies - Costs of Software to Be Sold (Details) link:presentationLink link:calculationLink link:definitionLink 99940107 - Disclosure - Organization and Significant Accounting Policies - Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 99940108 - Disclosure - Organization and Significant Accounting Policies - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 99940109 - Disclosure - Organization and Significant Accounting Policies - Accrued Sales Commission (Details) link:presentationLink link:calculationLink link:definitionLink 99940110 - Disclosure - Organization and Significant Accounting Policies - Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 40110 - Disclosure - Organization and Significant Accounting Policies - Performance Obligations Default (Details) link:presentationLink link:calculationLink link:definitionLink 99940111 - Disclosure - Organization and Significant Accounting Policies - Contract Estimates (Details) link:presentationLink link:calculationLink link:definitionLink 99940112 - Disclosure - Organization and Significant Accounting Policies - Revenue by Category (Details) link:presentationLink link:calculationLink link:definitionLink 99940113 - Disclosure - Organization and Significant Accounting Policies - Revenue percentage by recognition method (Details) link:presentationLink link:calculationLink link:definitionLink 99940115 - Disclosure - Organization and Significant Accounting Policies - Lease Accounting (Details) link:presentationLink link:calculationLink link:definitionLink 99940201 - Disclosure - Investments (Details) link:presentationLink link:calculationLink link:definitionLink 99940202 - Disclosure - Investments - Equity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 99940302 - Disclosure - Fair Value Measurements - Acquisitions (Details) link:presentationLink link:calculationLink link:definitionLink 99940502 - Disclosure - Intangibles, net (Details) link:presentationLink link:calculationLink link:definitionLink 99940601 - Disclosure - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 99940801 - Disclosure - Investments in Companies Accounted for Using the Equity Method - Investment in Limited Partnership Fund (Details) link:presentationLink link:calculationLink link:definitionLink 99940802 - Disclosure - Investments in Companies Accounted for Using the Equity Method - Investment in Altoy (Details) link:presentationLink link:calculationLink link:definitionLink 99940901 - Disclosure - Warranty Reserves (Details) link:presentationLink link:calculationLink link:definitionLink 99941101 - Disclosure - Debt - (Details) link:presentationLink link:calculationLink link:definitionLink 99941301 - Disclosure - Stock-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 99941302 - Disclosure - Stock-Based Compensation Stock Option Plans (Details) link:presentationLink link:calculationLink link:definitionLink 99941303 - Disclosure - Stock-Based Compensation Non-Vested Stock Options (Details) link:presentationLink link:calculationLink link:definitionLink 99941304 - Disclosure - Stock-Based Compensation Restricted Stock Awards (Details) link:presentationLink link:calculationLink link:definitionLink 99941401 - Disclosure - Long-Term Incentive Awards (Details) link:presentationLink link:calculationLink link:definitionLink 99941503 - Disclosure - Income Taxes - Tax Cuts and Jobs Act (Details) link:presentationLink link:calculationLink link:definitionLink 99941504 - Disclosure - Income Taxes - Income Taxes Carryforward (Details) link:presentationLink link:calculationLink link:definitionLink 99941505 - Disclosure - Income Taxes - Income Taxes Other (Details) link:presentationLink link:calculationLink link:definitionLink 99941601 - Disclosure - Share Repurchase Plan and Issuances - Shelf Registration (Details) link:presentationLink link:calculationLink link:definitionLink 99941701 - Disclosure - Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 99941801 - Disclosure - Changes in Accounting Estimates (Details) link:presentationLink link:calculationLink link:definitionLink 99941901 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 99942001 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 99942102 - Disclosure - Business Acquisitions - Planck (Details) link:presentationLink link:calculationLink link:definitionLink 99942103 - Disclosure - Business Acquisitions - Telerob (Details) link:presentationLink link:calculationLink link:definitionLink 99942202 - 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Disclosure - Employee Savings Plan (Details) link:presentationLink link:calculationLink link:definitionLink 99941202 - Disclosure - Leases - Supplemental lease information (Details) link:presentationLink link:calculationLink link:definitionLink