Indebtedness And Interest Expense (Interest Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Aug. 13, 2012		Aug. 15, 2011		Aug. 13, 2012		Aug. 15, 2011
Debt Instrument [Line Items]
Interest expense	$ 17,834		$ 17,816		$ 41,633		$ 42,211
Senior secured revolving credit facility [Member]
Debt Instrument [Line Items]
Interest expense	0		0		0		0
Senior secured second lien notes [Member]
Debt Instrument [Line Items]
Interest expense	13,397		15,358		32,021		36,474
Amortization of deferred financing costs and discount on notes [Member]
Debt Instrument [Line Items]
Interest expense	950		925		2,278		2,169
Capital lease obligations [Member]
Debt Instrument [Line Items]
Interest expense	943		1,117		2,223		2,579
Financing method sale-leaseback transactions [Member]
Debt Instrument [Line Items]
Interest expense	2,241	[1]	101	[1]	4,331	[1]	101	[1]
Letter of credit fees and other [Member]
Debt Instrument [Line Items]
Interest expense	$ 303		$ 315		$ 780		$ 888

[1] See Note 5.