Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2022

Supplemental Cash Flow Information [Abstract]

Schedule of Supplemental Cash Flow Information

	Successor				Predecessor
	Year Ended		September 8, 2021 to		January 1, 2021 to		Year Ended
(dollars in millions)	December 31, 2022		December 31, 2021		September 7, 2021		December 31, 2020
Capitalized interest expense	$	3.1	$	0.6	$	1.3	$	1.3
Cash paid for:
Interest		84.6		45.7		89.9		125.5
Income taxes, net of refunds		6.4		3.3		3.8		0.5
Noncash investing and financing activities:
Acquisition of property by assuming debt and other financing arrangements		10.5		5.8		3.8		7.7
Acquisition of property on account		79.1		51.2		54.9		24.3