Revenue Recognition - ESP Deferred Revenue Rollforward (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 30, 2022	Jul. 31, 2021	Jul. 30, 2022	Jul. 31, 2021
Change in Contract with Customer, Liability [Roll Forward]
ESP deferred revenue, beginning of period			$ 1,198.9
Plans sold			2.3	$ 34.2
ESP deferred revenue, end of period	$ 1,200.8	$ 1,107.3	1,200.8	1,107.3
Extended Service Plan
Change in Contract with Customer, Liability [Roll Forward]
ESP deferred revenue, beginning of period	1,125.9	1,049.4	1,116.5	1,028.9
Plans sold	120.3	118.6	244.1	242.7
Revenue recognized	(114.7)	(104.2)	(229.1)	(207.8)
ESP deferred revenue, end of period	1,131.5	1,063.8	1,131.5	1,063.8
Extended Service Plan and Voucher Promotions
Change in Contract with Customer, Liability [Roll Forward]
Revenue recognized	$ (68.6)	$ (63.9)	$ (147.8)	$ (136.5)