Subsequent Events (Details) - USD ($) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended	7 Months Ended	9 Months Ended
	Aug. 11, 2023	Sep. 30, 2023	Sep. 30, 2022	Aug. 11, 2023	Sep. 30, 2022
Subsequent Event [Line Items]
Net sales	$ 351.6	$ 591.8	$ 810.4	$ 2,131.9	$ 2,491.9
Operating profit (loss)	0.5	36.9	5.5	(5.5)	(169.4)
Gross profit	85.5	129.6	193.8	520.0	539.9
Impairment of assets	$ 0.6	$ 1.1	$ 4.1	$ 3.3	$ 64.7