Leases - Cash flow and other information (Details) - USD ($) $ in Thousands	3 Months Ended
	May 02, 2020	May 04, 2019
Supplemental cash flow and other information related to operating leases
Cash paid for operating leases	$ 4,032	$ 12,594
Right of use assets obtained in exchange for new operating lease liabilities	$ 8,962	$ 26,826
Weighted average remaining lease term - operating leases	5 years 2 months 12 days	4 years 3 months 15 days
Weighted average discount rate - operating leases (as a percent)	3.45%	3.81%