Debt - Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 06, 2022	Jan. 31, 2021	Feb. 02, 2020
Debt Instrument [Line Items]
Total amortization of debt discount and debt issuance costs	$ 31,577	$ 29,070	$ 27,179
Convertible Senior Notes
Debt Instrument [Line Items]
Amortization of debt discount	28,874	26,863
Amortization of debt issuance costs	2,091	1,944
Total amortization of debt discount and debt issuance costs	30,965	28,807
Contractual interest expense	732	718
Total interest expense related to the Notes	$ 31,697	$ 29,525
Effective interest rate of the liability component ( as a percent)	5.60%	5.60%