Lease Accounting - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	May 02, 2020	May 04, 2019
Lease costs
Total lease costs	$ 79,741	$ 90,817
Cost of product sales
Lease costs
Operating lease cost	55,369	58,816
Amortization of leased assets	681	43
Variable lease costs	14,348	24,825
Short-term lease costs	239	0
Selling, general and administrative expenses
Lease costs
Operating lease cost	5,176	5,264
Amortization of leased assets	1,278	543
Variable lease costs	579	827
Short-term lease costs	1,789	212
Interest expense
Lease costs
Interest on lease liabilities	$ 282	$ 287