Debt and Other Financing Arrangements - Notes due - Narrative (Details) - USD ($) $ in Millions	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2021	Sep. 07, 2021	Dec. 31, 2023	Dec. 31, 2022	Jun. 30, 2023
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt	$ 1,145.0	$ 23.0	$ 211.4	$ 2.7
Debt instrument, interest rate, stated percentage	7.25%			7.25%
7.25% Notes due 2023 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage			7.25%	7.25%	7.25%