Contracts in Progress - Remaining Performance Obligation (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Performance obligations expected to be satisfied	$ 604.1
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Performance obligations expected to be satisfied	$ 495.8
Performance obligations expected to be satisfied, percentage	82.00%
Performance obligations expected to be satisfied, expected timing	12 months