Debt Obligations (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 29, 2017	Jan. 28, 2017
Debt Instrument [Line Items]
Less: Current portion of long-term debt obligations	$ 3,050	$ 6,414
Long-term debt obligations	227,385	163,749
Total debt obligations	230,435	170,163
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, maximum borrowing capacity	400,000
Revolving credit facility, maximum borrowing capacity with seasonal increase	$ 450,000
Revolving credit facility, expiration date	Dec. 16, 2021
Revolving credit facility, weighted average interest rate during period	2.54%
Revolving credit facility, average daily borrowings	$ 215,400
Revolving credit facility, excess borrowing availability	90,400
Revolving credit facility, dividend restriction amount	30,000
Total debt obligations	224,824	159,702
Line of Credit | Letter of Credit
Debt Instrument [Line Items]
Letter of credit subfacility, maximum borrowing capacity	25,000
Letters of credit outstanding, amount	$ 12,300
Letters of credit, expiration period	12 months
Finance Obligations
Debt Instrument [Line Items]
Total debt obligations	$ 2,142	2,708
Other Financing
Debt Instrument [Line Items]
Total debt obligations	$ 3,469	$ 7,753