Quarterly Financial Data - Summary of Unaudited Quarterly Data (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Dec. 31, 2021		Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Quarterly Financial Data [Abstract]
Net sales	$ 1,754.9		$ 1,875.4	$ 1,872.1	$ 1,318.0	$ 1,576.5
% of fiscal year's net sales			28.20%	28.20%	19.90%	23.70%
Gross profit	461.6		$ 507.8	$ 517.4	$ 332.8	$ 399.7
% of fiscal year's gross profit			28.90%	29.40%	18.90%	22.80%
Net income (loss) from continuing operations	68.1		$ 104.5	$ 79.8	$ (10.5)	$ 47.4
Net income (loss)	68.0		104.8	76.5	(6.3)	(220.5)
Net income (loss) attributable to common stockholders	$ 62.0		$ 98.8	$ 70.5	$ (12.3)	$ (226.5)
Net income (loss) from continuing operations per share - basic	$ 0.78	[1]	$ 1.23	$ 0.93	$ (0.24)	$ 0.60	[1]
Net income (loss) per share - basic	0.78	[1]	1.24	0.89	(0.18)	(3.27)	[1]
Net income (loss) from continuing operations per share - diluted	0.76	[1]	1.21	0.91	(0.24)	0.59	[1]
Net income (loss) per share - diluted	$ 0.76	[1]	$ 1.22	$ 0.87	$ (0.18)	$ (3.24)	[1]

[1] See Note 6 for detailed calculations and further discussion.