Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2021

Schedule Of Valuation And Qualifying Accounts Disclosure [Abstract]

Valuation and Qualifying Accounts

VALUATION AND QUALIFYING ACCOUNTS

Allowance for Doubtful Accounts

			Additions
(dollars in millions)	Beginning of Period		Charge (Benefit) to Expenses		(To) From Other Accounts		Deductions		End of Period
Successor
September 8, 2021 to December 31, 2021 (remeasured upon Merger)	$	—	$	3.6	$	—	$	—	$	3.6
Predecessor
January 1, 2021 to September 7, 2021	$	23.0	$	2.1	$	—	$	8.7	$	16.4
Year 2020	$	14.3	$	14.7	$	—	$	6.0	$	23.0
Year 2019	$	13.0	$	12.5	$	—	$	11.2	$	14.3

Deferred Tax Valuation Allowance

			Additions
(dollars in millions)	Beginning of Period		Charge (Benefit) to Expenses			(To) From Other Accounts			Deductions		End of Period
Successor
September 8, 2021 to December 31, 2021	$	24.4	$	(6.0	)	$	—		$	—	$	18.4
Predecessor
January 1, 2021 to September 7, 2021	$	28.4	$	—		$	(4.0	)	$	—	$	24.4
Year 2020	$	49.3	$	(20.8	)	$	(0.1	)	$	—	$	28.4
Year 2019	$	48.7	$	0.5		$	0.1		$	—	$	49.3