Quarterly Financial Data - Summary of Unaudited Quarterly Data (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2022		Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Quarterly Financial Data [Abstract]
Net sales	$ 1,686.9		$ 1,754.9	$ 1,875.4	$ 1,872.1	$ 1,318.0
% of fiscal year's net sales			25.70%	27.50%	27.50%	19.30%
Gross profit	439.5		$ 461.6	$ 507.8	$ 517.4	$ 332.8
% of fiscal year's gross profit			25.40%	27.90%	28.40%	18.30%
Net income (loss) from continuing operations	55.8		$ 68.1	$ 104.5	$ 79.8	$ (10.5)
Net income (loss)	55.8		68.0	104.8	76.5	(6.3)
Net income (loss) attributable to common stockholders	$ 49.8		$ 62.0	$ 98.8	$ 70.5	$ (12.3)
Net income (loss) from continuing operations per share - basic	$ 0.62	[1]	$ 0.78	$ 1.23	$ 0.93	$ (0.24)	[1]
Net income (loss) per share - basic	0.62	[1]	0.78	1.24	0.89	(0.18)	[1]
Net income (loss) from continuing operations per share - diluted	0.61	[1]	0.76	1.21	0.91	(0.24)	[1]
Net income (loss) per share - diluted	$ 0.61	[1]	$ 0.76	$ 1.22	$ 0.87	$ (0.18)	[1]

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