Leases - Cash flow and other information (Details) $ in Thousands	6 Months Ended
	Aug. 03, 2019 USD ($)
Supplemental cash flow and other information related to operating leases
Cash paid for operating leases	$ 25,174
Right of use assets obtained in exchange for new operating lease liabilities	$ 42,357
Weighted Average remaining lease term (years) - Operating leases	4 years 4 months 2 days
Weighted average discount rate - operating leases (as a percent)	3.75%