Basis of Presentation and Summary of Significant Accounting Policies - Supplemental Cash Flow Disclosures (Details) (USD $)	6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013
Supplemental disclosure of cash flow information:
Cash paid for interest, including capital leases	$ 585,000	$ 1,127,000
Cash paid for income taxes, excluding impact of refunds	68,314,000	119,707,000
Gross proceeds from borrowings under the bank credit facility	677,300,000	596,700,000
Gross repayments of borrowings under the bank credit facility	697,800,000	626,200,000
Non-cash activity:
Assets acquired under capital leases	0	0
Accrued property and equipment	$ 10,666,000	$ 11,850,000