Revenue and Contracts in Process - Schedule of Contract Assets and Contract Liabilities and Recognized Earnings (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Revenue from Contract with Customer [Abstract]
Costs incurred on contracts in progress	$ 1,435.2	$ 2,811.8
Estimated earnings	75.8	510.1
Contract revenue earned on uncompleted contracts	1,511.0	3,321.9
Less: progress billings	1,513.8	3,356.8
Net of cost earned on uncompleted contracts	(2.8)	(34.9)
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract]
Contract assets	106.3	118.6
Contract liabilities	(109.1)	(153.5)
Net contract assets (liabilities)	$ (2.8)	$ (34.9)