Commitments and Contingencies Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Surety Bond
Other Commitments [Line Items]
Aggregate estimated exposure, certain performance obligations	$ 1,500.0
Aggregate estimated exposure, certain performance obligations, percentage	25.00%
Aggregate estimated exposure, other contractual obligations	$ 48.1
Other accrued expenses and liabilities
Other Commitments [Line Items]
Insurance liabilities, current	55.6	$ 61.5
Other long-term obligations
Other Commitments [Line Items]
Insurance liabilities, noncurrent	216.2	242.4
Prepaid expenses and other
Other Commitments [Line Items]
Anticipated insurance recoveries, current	18.4	26.4
Other assets
Other Commitments [Line Items]
Anticipated insurance recoveries, noncurrent	$ 66.6	$ 99.0