Debt (Revolving Credit Facility) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 500,000
Initiation date	March 2011
Maturity date, prior to amendment	2013-11-23
Maturity date	2016-03-29
Amendment fees		2,961
Amount outstanding	0
Interest rate description	Borrowings under the facility bear interest at a per annum rate of either: (i) LIBOR plus a percentage ranging from 2.00% to 2.50%, or (ii) the higher of the prime rate or the federal funds rate plus a percentage ranging from 1.00% to 1.50%.
Default provision, principal acceleration	20,000
Letter of Credit [Member]
Line of Credit Facility [Line Items]
Letters of credit outstanding	7,729
Fees charged for standby letters of credit, description	LIBOR spread
Fees charged for documentary or commercial letters of credit, description	LIBOR spread minus 0.5%
Fees charged for documentary or commercial letters of credit, LIBOR spread deduction	0.50%
Maximum [Member]
Line of Credit Facility [Line Items]
Fees charged on unused borrowing capacity	0.50%
Aggregate amount of other debt, maximum	500,000
Maximum [Member] | Line of Credit Facility, Term Borrowing [Member]
Line of Credit Facility [Line Items]
Interest rate spread	2.50%
Maximum [Member] | Line of Credit Facility, Overnight Borrowing [Member]
Line of Credit Facility [Line Items]
Interest rate spread	1.50%
Minimum [Member]
Line of Credit Facility [Line Items]
Fees charged on unused borrowing capacity	0.38%
Minimum availability required under the financial covenant	$ 62,500
Covenant terms, minimum fixed charge coverage ratio	1.0 to 1.0
Minimum [Member] | Line of Credit Facility, Term Borrowing [Member]
Line of Credit Facility [Line Items]
Interest rate spread	2.00%
Minimum [Member] | Line of Credit Facility, Overnight Borrowing [Member]
Line of Credit Facility [Line Items]
Interest rate spread	1.00%