Revenue - Deferred revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 30, 2021	Oct. 31, 2020	Oct. 30, 2021	Oct. 31, 2020
Summary of changes in deferred revenue
Balance at beginning of period	$ 256,227	$ 207,746	$ 269,032	$ 230,011
Additions to contract liabilities	92,074	40,932	201,106	128,402
Deductions to contract liabilities	(85,078)	(39,032)	(206,915)	(148,767)
Balance at end of period	263,223	209,646	263,223	209,646
Other amounts included in deferred revenue	$ 9,405	$ 15,216	$ 9,405	$ 15,216