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Disclosure - Contract Assets and Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 0000029 - Disclosure - Lease Obligations (Tables) link:presentationLink link:calculationLink link:definitionLink 0000030 - Disclosure - Accounts Receivable (Tables) link:presentationLink link:calculationLink link:definitionLink 0000031 - Disclosure - Prepaid Expenses and Other Current Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 0000032 - Disclosure - Property and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 0000033 - Disclosure - Goodwill and Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 0000034 - Disclosure - Accrued Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 0000035 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 0000036 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 0000037 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 0000038 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 0000040 - Disclosure - Employee Benefit Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 0000041 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 0000042 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 0000043 - Disclosure - Organization, Business and Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 0000044 - Disclosure - Acquisition - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000045 - Disclosure - Acquisition - Summary of acquisition by acquisition (Details) link:presentationLink link:calculationLink link:definitionLink 0000046 - Disclosure - Acquisition - Summary of identifiable intangible assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000047 - Disclosure - Contract Assets and Liabilities - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - Contract Assets and Liabilities - Summary of Contract Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000049 - Disclosure - Contract Assets and Liabilities - Summary of Contract Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000050 - Disclosure - Contract Assets and Liabilities - Summary of Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000051 - Disclosure - Contract Assets and Liabilities - Contracts in Process (Details) link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - Contract Assets and Liabilities - Summary of Net Asset Position for Contracts in Process (Details) link:presentationLink link:calculationLink link:definitionLink 0000053 - Disclosure - Lease Obligations - Additional information (Details) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - Lease Obligations - Summary of Lease-Related Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000055 - Disclosure - Lease Obligations - Summary of The Lease Terms and Discount Rates (Details) link:presentationLink link:calculationLink link:definitionLink 0000056 - Disclosure - Lease Obligations - Summary of Lease Related Costs (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - Lease Obligations - Summary of Other and Supplemental Cash Flow Information Related to Leases (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - Lease Obligations - Schedule of Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - Lease Obligations - Schedule of Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - Lease Obligations - Schedule of Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - Accounts Receivable - Schedule of Accounts Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 0000060 - Disclosure - Accounts Receivable - Summary of Allowance for Doubtful Accounts Activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - Prepaid Expenses and Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000062 - Disclosure - Property and Equipment - Summary of Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 0000063 - Disclosure - Property and Equipment - Additional information (Details) link:presentationLink link:calculationLink link:definitionLink 0000064 - Disclosure - Goodwill and Intangible Assets - Summary of Goodwill and Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000065 - Disclosure - Goodwill and Intangible Assets - Additional information (Details) link:presentationLink link:calculationLink link:definitionLink 0000066 - Disclosure - Goodwill and Intangible Assets -Schedule of estimated future intangible asset amortization expense (Details) link:presentationLink link:calculationLink link:definitionLink 0000067 - Disclosure - Accrued Liabilities - Schedule of Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000068 - Disclosure - Debt - Summary of Total Debt (Details) link:presentationLink link:calculationLink link:definitionLink 0000069 - Disclosure - Debt - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000070 - Disclosure - Debt - Schedule of Remaining Principal Payments for Long Term Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 0000071 - Disclosure - Revenue Recognition - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000072 - Disclosure - Revenue Recognition - Schedule of Revenue by Contract Type (Details) link:presentationLink link:calculationLink link:definitionLink 0000073 - Disclosure - Revenue Recognition - Schedule of Revenue by Market Type (Details) link:presentationLink link:calculationLink link:definitionLink 0000074 - Disclosure - Revenue Recognition - Summary of Remaining Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 0000074 - Disclosure - Revenue Recognition - Summary of Remaining Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 0000075 - Disclosure - Income Taxes - Summary of Income Before Income Taxes by Geographic Area (Details) link:presentationLink link:calculationLink link:definitionLink 0000076 - Disclosure - Income Taxes - Summary of Income Tax Provision (Details) link:presentationLink link:calculationLink link:definitionLink 0000077 - Disclosure - Income Taxes - Schedule of Effective Tax Rate Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 0000078 - Disclosure - Income Taxes - Summary of Net Deferred Tax Assets and (Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 0000079 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000080 - Disclosure - Income Taxes - Summary of Liabilities for Unrecognized Tax Benefits Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 0000081 - Disclosure - Commitments and Contingencies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000082 - Disclosure - Commitments and Contingencies - Summary of Accrued Short and Long Term Insurance Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000083 - Disclosure - Stock-Based Compensation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000084 - Disclosure - Stock-Based Compensation - Summary of Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000085 - Disclosure - Stock-Based Compensation - Summary of Stock Options Outstanding and Exercisable (Details) link:presentationLink link:calculationLink link:definitionLink 0000086 - Disclosure - Stock-Based Compensation - Summary of Time-Vested Stock Awards Activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000087 - Disclosure - Stock-Based Compensation - Summary of Performance Share Award Activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000088 - Disclosure - Employee Benefit Plans - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000089 - Disclosure - Employee Benefit Plans - Summary of Multi-Employer Benefit Plans (Details) link:presentationLink link:calculationLink link:definitionLink 0000090 - Disclosure - Segment Information - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000091 - Disclosure - Segment Information - Summary of Segment's Internal Financial Reports (Details) link:presentationLink link:calculationLink link:definitionLink 0000092 - Disclosure - Segment Information - Summary of Assets Allocation by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 0000093 - Disclosure - Segment Information - Summary of Depreciation and Amortization by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 0000094 - Disclosure - Earnings Per Share - Summary of Weighted Average Number of Common Shares Used to Compute Basic and Dilute Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 0000095 - Disclosure - Earnings Per Share - Summary of Shares Excluded From Calculation of Diluted Securities (Details) link:presentationLink link:calculationLink link:definitionLink 0000096 - Disclosure - Earnings Per Share - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink