Leases - Schedule of Other Information Related to Leases (Details) - USD ($) $ in Millions	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2021	Sep. 07, 2021	Dec. 31, 2022	Dec. 31, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$ 1.2	$ 2.9	$ 3.4	$ 4.4
Operating cash flows from operating leases	3.4	7.2	11.1	12.1
Financing cash flows from finance leases	3.9	9.9	8.3	16.6
Right-of-use assets obtained in exchange for lease obligations:
New operating leases	5.4	11.5	12.2	12.6
New finance leases	$ 2.0	$ 3.8	$ 12.3	$ 7.7