Basis of Presentation and Summary of Significant Accounting Policies - Supplemental Cash Flow Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 29, 2017	Apr. 30, 2016
Supplemental disclosure of cash flow information:
Cash paid for interest, including capital leases	$ 822	$ 425
Cash paid for income taxes, excluding impact of refunds	609	34,578
Gross proceeds from from borrowings under bank credit facility	365,100	411,300
Gross payments of borrowings under bank credit facility	355,800	319,800
Non-cash activity:
Assets acquired under capital leases	18	38
Accrued property and equipment	8,835	13,057
Share repurchases payable	$ 0	$ 8,546