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Revenue and Contracts in Process - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Revenue from External Customer [Line Items]
Term for majority of contracts, in excess of	1 year
Usual maximum percentage of payment withheld	10.00%
Retainage receivable	$ 127.8	$ 108.8
Retainage receivable, percent to be collected beyond one year	20.70%	24.60%
Infrastructure
Revenue from External Customer [Line Items]
Contract assets, increase due to new projects	$ 205.3
Contract assets, reclassified to receivables	158.8
Contract liabilities, increase due to new projects	96.6
Contract liabilities, revenue recognized	$ 77.1
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within One Year
Revenue from External Customer [Line Items]
Remaining performance obligation period	1 year
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within One Year | Commercial
Revenue from External Customer [Line Items]
Remaining performance obligation period	1 year
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within One Year | Leisure
Revenue from External Customer [Line Items]
Remaining performance obligation period	1 year
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within One Year | Convention
Revenue from External Customer [Line Items]
Remaining performance obligation period	1 year
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within One Year | Other
Revenue from External Customer [Line Items]
Remaining performance obligation period	1 year
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within One Year | Transportation
Revenue from External Customer [Line Items]
Remaining performance obligation period	1 year
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within One Year | Industrial
Revenue from External Customer [Line Items]
Remaining performance obligation period	1 year
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within One Year | Government
Revenue from External Customer [Line Items]
Remaining performance obligation period	1 year
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within One Year | Healthcare
Revenue from External Customer [Line Items]
Remaining performance obligation period	1 year
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within Five Years
Revenue from External Customer [Line Items]
Remaining performance obligation period	5 years
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within Five Years | Commercial
Revenue from External Customer [Line Items]
Remaining performance obligation period	5 years
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within Five Years | Leisure
Revenue from External Customer [Line Items]
Remaining performance obligation period	5 years
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within Five Years | Convention
Revenue from External Customer [Line Items]
Remaining performance obligation period	5 years
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within Five Years | Other
Revenue from External Customer [Line Items]
Remaining performance obligation period	5 years
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within Five Years | Transportation
Revenue from External Customer [Line Items]
Remaining performance obligation period	5 years
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within Five Years | Industrial
Revenue from External Customer [Line Items]
Remaining performance obligation period	5 years
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within Five Years | Government
Revenue from External Customer [Line Items]
Remaining performance obligation period	5 years
Infrastructure | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Within Five Years | Healthcare
Revenue from External Customer [Line Items]
Remaining performance obligation period	5 years
Infrastructure | DBMG | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue from External Customer [Line Items]
Remaining performance obligation period	3 years 6 months

X

- Definition

Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
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+ References

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Contract With Customer, Asset, Retainage Receivable

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Majority Of Contracts Term, In Excess Of

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