Discontinued operations - Schedule of Assets and Liabilities of Discontinued Operations (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024
Current assets:
Cash, cash equivalents and restricted cash			$ 16,600
Noncurrent assets:
Total noncurrent assets of discontinued operations	$ 0	$ 0	352,844
Current liabilities:
Total current liabilities of discontinued operations	0	0	439,096
Noncurrent liabilities:
Total noncurrent liabilities of discontinued operations	$ 0	$ 0	181,831
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Everus Corporation
Current assets:
Cash, cash equivalents and restricted cash			16,572
Receivables, net			692,887
Inventories			43,646
Prepayments and other current assets			17,381
Total current assets of discontinued operations			770,486
Noncurrent assets:
Net property, plant and equipment			118,608
Goodwill			143,223
Other intangible assets, net			1,482
Investments			10,822
Operating lease right-of-use assets			54,752
Other			23,957
Total noncurrent assets of discontinued operations			352,844
Total assets of discontinued operations			1,123,330
Current liabilities:
Accounts payable			306,835
Taxes payable			23,318
Accrued compensation			31,376
Operating lease liabilities due within one year			21,397
Other accrued liabilities			56,170
Total current liabilities of discontinued operations			439,096
Noncurrent liabilities:
Long-term debt			132,000
Deferred income taxes			6,405
Operating lease liabilities			33,717
Other			9,709
Total noncurrent liabilities of discontinued operations			181,831
Total liabilities of discontinued operations			$ 620,927