CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 282.4	$ 261.5	$ 656.9	$ 509.1
Foreign currency translation adjustments	(1.8)	6.6	3.2	(1.4)
Total comprehensive income	$ 280.6	$ 268.1	$ 660.1	$ 507.7