Discontinued operations - Schedule of Assets and Liabilities of Discontinued Operations (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024
Current assets:
Cash, cash equivalents and restricted cash			$ 15,700
Noncurrent assets:
Total noncurrent assets of discontinued operations	$ 0	$ 0	392,760
Current liabilities:
Total current liabilities of discontinued operations	0	0	678,418
Noncurrent liabilities:
Total noncurrent liabilities of discontinued operations	$ 0	$ 0	56,969
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Everus Corporation
Current assets:
Cash, cash equivalents and restricted cash			15,734
Receivables, net			806,233
Inventories			46,923
Prepayments and other current assets			19,955
Total current assets of discontinued operations			888,845
Noncurrent assets:
Net property, plant and equipment			129,361
Goodwill			143,224
Other intangible assets, net			466
Investments			17,648
Operating lease right-of-use assets			68,852
Other			33,209
Total noncurrent assets of discontinued operations			392,760
Total assets of discontinued operations			1,281,605
Current liabilities:
Long-term debt due within one year			132,000
Accounts payable			382,597
Taxes payable			14,006
Accrued compensation			66,960
Operating lease liabilities due within one year			26,110
Other accrued liabilities			56,745
Total current liabilities of discontinued operations			678,418
Noncurrent liabilities:
Deferred income taxes			642
Operating lease liabilities			43,247
Other			13,080
Total noncurrent liabilities of discontinued operations			56,969
Total liabilities of discontinued operations			$ 735,387