Long-Term and Short-Term Financing Arrangements (Narrative) (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 27, 2015	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017	Jan. 17, 2019
Debt Instrument [Line Items]
Borrowings under revolving credit agreement		$ 335,000	$ 0
Loss on early extinguishment of debt		(186)	0	$ 0
Line of Credit
Debt Instrument [Line Items]
Maximum Borrowing Capacity		500,000			$ 600,000
Line of Credit Borrowing Capacity Increase Option		$ 250,000
Facility Percentage of Borrowing Base Under Condition One		10.00%
Number of consecutive business days for borrowing base availability over minimum under condition one		30 days
Percentage Of Borrowing Base Under Condition Two		10.00%
Borrowing Base Availability Under Condition Two		$ 40,000
Fixed Charge Coverage Ratio		100.00%
Maximum amount of borrowings under either the Credit Agreement or Former Credit Agreement at the end of any month		$ 350,000	260,000
Average daily borrowings		$ 103,200	$ 93,500
Debt, Weighted average interest rate		3.90%	2.50%
Borrowings under revolving credit agreement		$ 335,000
Letters of credit outstanding under the Credit Agreement		10,500
Additional borrowing availability under Credit Agreement		$ 154,500
2023 Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 200,000
Debt instrument, interest rate	6.25%
Debt Instrument, Redemption Price, Percentage		101.00%
Debt instrument, maturity date	Aug. 15, 2023