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Revenue and Contracts in Process - Schedule of Infrastructure Segment Contract with Customer, Asset and Liability (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Contract assets	$ 135.3	$ 106.3
Contract liabilities	(95.3)	(109.1)
Infrastructure
Segment Reporting Information [Line Items]
Cost in excess of billings and estimated earnings	71.2	50.8
Conditional retainage	64.1	55.5
Contract assets	135.3	106.3
Billings in excess of costs and estimated earnings	(127.4)	(147.7)
Conditional retainage	32.1	38.6
Contract liabilities	$ (95.3)	$ (109.1)

X

- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-Name Accounting Standards Codification
-Section 45
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

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Period Type:	instant

X

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-Section 45
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-2

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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X

- Definition

Contract with Customer, Asset, Conditional Retainage, Assets

+ References

No definition available.

+ Details

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X

- Definition

Contract with Customer, Asset, Cost In Excess Of Billings And Estimated Earnings

+ References

No definition available.

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- Definition

Contract with Customer, Liability, Billings In Excess Of Costs And Estimated Earnings

+ References

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X

- Definition

Contract with Customer, Liability, Conditional Retainage, Liability

+ References

No definition available.

+ Details

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X

- Details

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