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Revenue and Contracts in Process - Schedule of Infrastructure Segment Revenue (Details) - Infrastructure $ in Millions	Mar. 31, 2024 USD ($)
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 925.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 697.8
Remaining performance obligation period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | 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	$ 369.5
Healthcare | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 175.0
Remaining performance obligation period	1 year
Healthcare | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 194.5
Remaining performance obligation period	5 years
Commercial
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 219.4
Commercial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 219.0
Remaining performance obligation period	1 year
Commercial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 0.4
Remaining performance obligation period	5 years
Industrial
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 174.7
Industrial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 174.3
Remaining performance obligation period	1 year
Industrial | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 0.4
Remaining performance obligation period	5 years
Transportation
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 139.1
Transportation | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 107.0
Remaining performance obligation period	1 year
Transportation | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 32.1
Remaining performance obligation period	5 years
Government
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 9.8
Government | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 9.8
Remaining performance obligation period	1 year
Government | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 0.0
Remaining performance obligation period	5 years
Convention
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 8.2
Convention | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 8.2
Remaining performance obligation period	1 year
Convention | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | 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	$ 1.9
Energy | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	1.9
Energy | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	0.0
Leisure
Segment Reporting Information [Line Items]
Remaining performance obligations	2.6
Leisure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 2.6
Remaining performance obligation period	1 year
Leisure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligations	$ 0.0
Remaining performance obligation period	5 years
Other | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within One Year
Segment Reporting Information [Line Items]
Remaining performance obligation period	1 year
Other | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-01 | Within Five Years
Segment Reporting Information [Line Items]
Remaining performance obligation period	5 years

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-13

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