Basis of Presentation and Summary of Significant Accounting Policies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019
Accounting Policies [Abstract]
Operating cash flows paid for operating leases	$ 1,179,618	$ 1,274,861
Lease liabilities arising from obtaining right of use assets	$ 1,151,543	$ 1,416,591