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Contracts with Customers - Summary of Contract Assets and Contract Liabilities (Parenthetical) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2024	Dec. 31, 2023
Revenue from Contract with Customer [Abstract]
Contract retentions	$ 82.5	$ 82.5	$ 73.8
Contract retentions, not expected to be paid in next 12 months	33.5	33.5
Contract assets, net claims recovery estimates	69.2	69.2	$ 109.5
Loss recognized related to claims recoveries	$ 21.6	$ 21.6