Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Cash payments arising from operating lease liabilities	$ 91,013	$ 96,496
Supplemental non-cash information:
Operating lease liabilities arising from obtaining right-of-use assets	$ 159,707	$ 205,690