Leases (Narrative) (Details) $ in Thousands	2 Months Ended	12 Months Ended
	Mar. 19, 2020 USD ($) lease	Feb. 01, 2020 USD ($) lease	Feb. 02, 2019 USD ($)	Feb. 03, 2018 USD ($)
Lessee, Lease, Description [Line Items]
Weighted Average Remaining Lease Term		8 years 1 month 6 days
Operating Lease, Weighted Average Discount Rate, Percent		6.60%
Operating Lease, Payments		$ 129,700
Operating Leases, Rent Expense, Net			$ 119,000	$ 98,200
Operating Leases, Rent Expense, Contingent Rentals			600	$ 600
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability		273,100
Increase (Decrease) in Operating Lease Liabilities		$ 278,900
Lessor, Operating Lease, Lease Not yet Commenced, Assumption and Judgment, Value of Underlying Asset, Amount			289,400
Number Of Leases | lease		77
Long-term Purchase Commitment, Amount		$ 141,200
Total lease payments		$ 1,214,138	$ 1,139,000
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Renewal Term		10 years
Subsequent Event [Member]
Lessee, Lease, Description [Line Items]
Number Of Leases | lease	19
Average Lease Term Period	10 years
Total lease payments	$ 34,400