Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2023

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS

(in millions)

			Additions
	Balance at Beginning of Period		Charges to Cost and Expense			Other Additions			(Deductions)			Balance at End of Period
Year ended December 31, 2023
Allowance for credit losses	$	8.4	$	12.7	(a)	$	—		$	(6.0)	(b)	$	15.1
Allowance for unbilled receivables and project close-out liabilities	117.0		34.0		(a)	—			(68.0)		(b)	83.0
Valuation allowance for deferred tax assets	87.6		2.8		(c)	—			(30.0)		(d)	60.4
Total	$	213.0	$	49.5		$	—		$	(104.0)		$	158.5
Year ended December 31, 2022
Allowance for credit losses	$	7.8	$	2.6	(a)	$	—		$	(2.0)	(b)	$	8.4
Allowance for unbilled receivables and project close-out liabilities	96.8		9.4		(a)	40.3		(e)	(29.5)		(b)	117.0
Valuation allowance for deferred tax assets	54.2		11.6		(c)	29.6		(e)	(7.8)		(d)	87.6
Total	$	158.8	$	23.6		$	69.9		$	(39.3)		$	213.0
Year ended December 31, 2021
Allowance for credit losses	$	20.5	$	2.8	(a)	$	—		$	(15.5)	(b)	$	7.8
Allowance for unbilled receivables and project close-out liabilities	50.4		67.0		(a)	—			(20.6)		(b)	96.8
Valuation allowance for deferred tax assets	45.8		9.4		(c)	—			(1.0)		(d)	54.2
Total	$	116.7	$	79.2		$	—		$	(37.1)		$	158.8

(a)    Provisions for receivables and project close-out liabilities.

(b)    Write-offs of and reversals for receivables and project close-out liabilities.

(c)    Additions related to federal, foreign and state attributes.

(d)    Deductions related to federal, foreign and state attributes.

(e)    Assumption of acquisition-related balances.