Revenue and Contracts in Process - Schedule of Reconciliation of Revenue from Segments to Consolidated (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total revenue	$ 1,107.1	$ 1,423.0
Infrastructure
Segment Reporting Information [Line Items]
Total revenue	1,071.6	1,397.2
Life Sciences
Segment Reporting Information [Line Items]
Total revenue	9.8	3.3
Spectrum
Segment Reporting Information [Line Items]
Total revenue	$ 25.7	$ 22.5