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Accounts Payable and Accrued Liabilities | 6 Months Ended
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Jun. 30, 2026
Accounts Payable and Accrued Liabilities |
Accounts Payable and Accrued Liabilities | Note 7—Accounts Payable and Accrued Liabilities ​ As of June 30, 2026, and December 31, 2025, accounts payable included retention amounts of approximately $59.9 million and $61.4 million, respectively. These amounts owed to subcontractors have been retained pending contract completion and customer acceptance of jobs. ​ The following is a summary of accrued liabilities (in millions): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31,
​ | ​ ​ ​ | 2026 | ​ ​ ​ | 2025
Payroll and related employee benefits | ​ | $ | 157.5 | ​ | $ | 152.5
Current operating lease liability | ​ | ​ | 167.6 | ​ | ​ | 155.4
Casualty insurance reserves | ​ |  | 24.2 | ​ |  | 21.4
Corporate income taxes and other taxes | ​ |  | 21.6 | ​ |  | 49.1
Other | ​ |  | 36.2 | ​ |  | 27.0
​ | ​ | $ | 407.1 | ​ | $ | 405.4
​

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 720 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483384/720-30-45-1 + Details
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