Revenue and Contracts in Process - Schedule of Infrastructure Segment Revenue (Details) - Infrastructure $ in Millions	Dec. 31, 2024 USD ($)
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 943.6
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 716.2
Remaining performance obligation period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 227.4
Remaining performance obligation period	5 years
Healthcare
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 301.3
Healthcare | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 172.6
Remaining performance obligation period	1 year
Healthcare | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 128.7
Remaining performance obligation period	5 years
Transportation
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 191.4
Transportation | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 133.3
Remaining performance obligation period	1 year
Transportation | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 58.1
Remaining performance obligation period	5 years
Commercial
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 164.6
Commercial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 158.5
Remaining performance obligation period	1 year
Commercial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 6.1
Remaining performance obligation period	5 years
Industrial
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 144.3
Industrial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 144.0
Remaining performance obligation period	1 year
Industrial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 0.3
Remaining performance obligation period	5 years
Government
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 109.9
Government | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 87.1
Remaining performance obligation period	1 year
Government | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 22.8
Remaining performance obligation period	5 years
Leisure
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 22.5
Leisure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 11.1
Remaining performance obligation period	1 year
Leisure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 11.4
Remaining performance obligation period	5 years
Convention
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 7.5
Convention | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 7.5
Remaining performance obligation period	1 year
Convention | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 0.0
Remaining performance obligation period	5 years
Energy
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 2.1
Energy | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 2.1
Remaining performance obligation period	1 year
Energy | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 0.0
Remaining performance obligation period	5 years