1001 - Document - Cover Page link:presentationLink link:definitionLink link:calculationLink 1002 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:definitionLink link:calculationLink 1003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:definitionLink link:calculationLink 1004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME link:presentationLink link:definitionLink link:calculationLink 1005 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (Parenthetical) link:presentationLink link:definitionLink link:calculationLink 1006 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:definitionLink link:calculationLink 1007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:definitionLink link:calculationLink 1008 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) link:presentationLink link:definitionLink link:calculationLink 1009 - Disclosure - Organization link:presentationLink link:definitionLink link:calculationLink 1010 - Disclosure - Significant Accounting Policies link:presentationLink link:definitionLink link:calculationLink 1011 - Disclosure - Revenue Recognition link:presentationLink link:definitionLink link:calculationLink 1012 - Disclosure - Investments link:presentationLink link:definitionLink link:calculationLink 1013 - Disclosure - Property and Equipment link:presentationLink link:definitionLink link:calculationLink 1014 - Disclosure - Goodwill and Intangibles link:presentationLink link:definitionLink link:calculationLink 1015 - Disclosure - Long-Term Debt link:presentationLink link:definitionLink link:calculationLink 1016 - Disclosure - Leases link:presentationLink link:definitionLink link:calculationLink 1017 - Disclosure - Fair Value Measurements link:presentationLink link:definitionLink link:calculationLink 1018 - Disclosure - Derivatives and Hedging Activities link:presentationLink link:definitionLink link:calculationLink 1019 - Disclosure - Stockholders' Equity link:presentationLink link:definitionLink link:calculationLink 1020 - Disclosure - Employee Benefits link:presentationLink link:definitionLink link:calculationLink 1021 - Disclosure - Income Taxes link:presentationLink link:definitionLink link:calculationLink 1022 - Disclosure - Related Party Transactions link:presentationLink link:definitionLink link:calculationLink 1023 - Disclosure - Commitments and Contingencies link:presentationLink link:definitionLink link:calculationLink 1024 - Disclosure - Business Combinations link:presentationLink link:definitionLink link:calculationLink 1025 - Disclosure - Income Per Common Share link:presentationLink link:definitionLink link:calculationLink 1026 - Disclosure - Quarterly Financial Information (Unaudited) link:presentationLink link:definitionLink link:calculationLink 1027 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:definitionLink link:calculationLink 1028 - Disclosure - Significant Accounting Policies (Tables) link:presentationLink link:definitionLink link:calculationLink 1029 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:definitionLink link:calculationLink 1030 - Disclosure - Property and Equipment (Tables) link:presentationLink link:definitionLink link:calculationLink 1031 - Disclosure - Goodwill and Intangibles (Tables) link:presentationLink link:definitionLink link:calculationLink 1032 - Disclosure - Long-Term Debt (Tables) link:presentationLink link:definitionLink link:calculationLink 1033 - Disclosure - Leases (Tables) link:presentationLink link:definitionLink link:calculationLink 1034 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:definitionLink link:calculationLink 1035 - Disclosure - Employee Benefits (Tables) link:presentationLink link:definitionLink link:calculationLink 1036 - Disclosure - Income Taxes (Tables) link:presentationLink link:definitionLink link:calculationLink 1037 - Disclosure - Related Party Transactions (Tables) link:presentationLink link:definitionLink link:calculationLink 1038 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:definitionLink link:calculationLink 1039 - Disclosure - Business Combinations (Tables) link:presentationLink link:definitionLink link:calculationLink 1040 - Disclosure - Quarterly Financial Information (Unaudited) (Tables) link:presentationLink link:definitionLink link:calculationLink 1041 - Disclosure - Organization - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1042 - Disclosure - Significant Accounting Policies - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1043 - Disclosure - Significant Accounting Policies - Allowance for Doubtful Accounts Receivable (Detail) link:presentationLink link:definitionLink link:calculationLink 1044 - Disclosure - Revenue Recognition - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1045 - Disclosure - Revenue Recognition - Summary of Revenues Disaggregated by End Market and Product (Detail) link:presentationLink link:definitionLink link:calculationLink 1046 - Disclosure - Revenue Recognition - Summary of Assets and Liabilities Related to Uncompleted Contracts and Customer Deposits (Detail) link:presentationLink link:definitionLink link:calculationLink 1047 - Disclosure - Revenue Recognition - Schedule of Cost and Estimated Earnings on Uncompleted Contracts (Detail) link:presentationLink link:definitionLink link:calculationLink 1048 - Disclosure - Revenue Recognition - Schedule of Net Under (Over) Billings (Detail) link:presentationLink link:definitionLink link:calculationLink 1049 - Disclosure - Investments - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1050 - Disclosure - Property and Equipment - Schedule of Property and Equipment (Detail) link:presentationLink link:definitionLink link:calculationLink 1051 - Disclosure - Property and Equipment - Schedule of Depreciation and Amortization Expense on Property and Equipment, by Income Statement Category (Detail) link:presentationLink link:definitionLink link:calculationLink 1052 - Disclosure - Property and Equipment - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1053 - Disclosure - Goodwill and Intangibles - Summary of Change in Carrying Amount of Goodwill (Detail) link:presentationLink link:definitionLink link:calculationLink 1054 - Disclosure - Goodwill and Intangibles - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1055 - Disclosure - Goodwill and Intangibles - Schedule of Gross Carrying Amount and Accumulated Amortization (Detail) link:presentationLink link:definitionLink link:calculationLink 1056 - Disclosure - Goodwill and Intangibles - Schedule of Estimated Aggregate Annual Amortization (Detail) link:presentationLink link:definitionLink link:calculationLink 1057 - Disclosure - Long-term Debt - Schedule of Debt (Detail) link:presentationLink link:definitionLink link:calculationLink 1058 - Disclosure - Long-term Debt - Schedule of Debt (Parenthetical) (Detail) link:presentationLink link:definitionLink link:calculationLink 1059 - Disclosure - Long-Term Debt - Schedule Of Maturities Of Long Term Debt (Detail) link:presentationLink link:definitionLink link:calculationLink 1060 - Disclosure - Long-term Debt - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1061 - Disclosure - Leases - Schedule Of Supplemental Balance Sheet In formation Related To Leases (Details) link:presentationLink link:definitionLink link:calculationLink 1062 - Disclosure - Leases - Lease Cost Finance And Operating Leases (Details) link:presentationLink link:definitionLink link:calculationLink 1063 - Disclosure - Leases - Lease Cost Finance And Operating Leases (Parenthetical) (Details) link:presentationLink link:definitionLink link:calculationLink 1064 - Disclosure - Leases - Schedule Of Supplemental Cash Flow Information Related To Leases (Details) link:presentationLink link:definitionLink link:calculationLink 1065 - Disclosure - Leases - Finance Lease Obligations And Operating Lease Obligations (Detail) link:presentationLink link:definitionLink link:calculationLink 1066 - Disclosure - Leases - Future Minimum Lease Payments Under Noncancellable Operating Leases (Details) link:presentationLink link:definitionLink link:calculationLink 1067 - Disclosure - Leases - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1068 - Disclosure - Fair Value Measurements - Schedule of Fair Values of Financial Assets and Liabilities (Detail) link:presentationLink link:definitionLink link:calculationLink 1069 - Disclosure - Fair value measurements - Summary of Change in Fair Value of Contingent Consideration (Detail) link:presentationLink link:definitionLink link:calculationLink 1070 - Disclosure - Fair Value measurements - Summary of Carrying Values and Associated Fair Values of Financial Assets and Liabilities (Detail) link:presentationLink link:definitionLink link:calculationLink 1071 - Disclosure - Derivative and Hedging Activities - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1072 - Disclosure - Stockholder's Equity - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1073 - Disclosure - Employee Benefits - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1074 - Disclosure - Employee Benefits - Summary of Workers' Compensation Known Claims and IBNR Reserves (Detail) link:presentationLink link:definitionLink link:calculationLink 1075 - Disclosure - Employee Benefits - Schedule of Insurance Receivable for Claims (Detail) link:presentationLink link:definitionLink link:calculationLink 1076 - Disclosure - Employee Benefits - Summary of Equity-Based Awards for Employees (Detail) link:presentationLink link:definitionLink link:calculationLink 1077 - Disclosure - Employee Benefits - Summary of Stock Compensation Expense (Detail) link:presentationLink link:definitionLink link:calculationLink 1078 - Disclosure - Income Taxes - Provision for Income Taxes (Detail) link:presentationLink link:definitionLink link:calculationLink 1079 - Disclosure - Income Taxes - Reconciliation of Effective Tax Rate on Net Income (Loss) and Federal Statutory Tax Rate (Detail) link:presentationLink link:definitionLink link:calculationLink 1080 - Disclosure - Income Taxes - Components of Net Deferred Tax Asset or Liability (Detail) link:presentationLink link:definitionLink link:calculationLink 1081 - Disclosure - Income Taxes - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1082 - Disclosure - Income Taxes - Gross Unrecognized Tax Benefit (Detail) link:presentationLink link:definitionLink link:calculationLink 1083 - Disclosure - Related Party Transactions - Schedule of Related Party Transactions (Detail) link:presentationLink link:definitionLink link:calculationLink 1084 - Disclosure - Related Party Transactions - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1085 - Disclosure - Commitments and Contingencies - Schedule of Accrued General Insurance Reserves (Detail) link:presentationLink link:definitionLink link:calculationLink 1086 - Disclosure - Commitments and Contingencies - Schedule of Insurance Receivable for Claims (Detail) link:presentationLink link:definitionLink link:calculationLink 1087 - Disclosure - Commitments and Contingencies - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1088 - Disclosure - Business Combinations - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1089 - Disclosure - Business Combinations - Summary of Business Acquisitions (Detail) link:presentationLink link:definitionLink link:calculationLink 1090 - Disclosure - Business Combinations - Summary of Business Acquisitions (Parenthetical) (Detail) link:presentationLink link:definitionLink link:calculationLink 1091 - Disclosure - Business Combinations - Summary of Estimated Fair Value of Assets Acquired and Liabilities Assumed (Detail) link:presentationLink link:definitionLink link:calculationLink 1092 - Disclosure - Business Combinations - Estimates of Acquired Intangible Assets (Detail) link:presentationLink link:definitionLink link:calculationLink 1093 - Disclosure - Business Combinations - Pro Forma Results of Operations (Detail) link:presentationLink link:definitionLink link:calculationLink 1094 - Disclosure - Income Per Common Share - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1095 - Disclosure - Quarterly Financial Information - Schedule of Selected Quarterly Financial Data (Detail) link:presentationLink link:definitionLink link:calculationLink