Derivatives (Narrative) (Details) (USD $)	Jul. 30, 2011		Jan. 29, 2011		Jul. 31, 2010
Notional amount of derivative	$ 130,000,000
Outstanding Term Loan Facility balance	662,100,000		664,500,000		768,300,000
Fair value of the interest rate contract recorded in AOCI to be recognized in earnings during the next 12 months	3,300,000
Fair value of the foreign currency contracts recorded in AOCI to be recognized in earnings during the next 12 months	300,000
Term Loan Facility [Member]
Outstanding Term Loan Facility balance	486,800,000	[1]	489,400,000	[1]	592,100,000	[1]
Term Loan Facility [Member] | Interest Rate Contract [Member]
Face amount of variable rate term loan facility	725,000,000
Interest Rate Contract [Member]
Notional amount of derivative	540,000,000
Fixed interest rate	7.75%
Foreign Currency Contracts [Member]
Notional amount of derivative	$ 10,500,000

[1] As of July 30, 2011, July 31, 2010 and January 29, 2011, the fair value of the Company's Term Loan was $478.4 million, $574.4 million and $489.4 million, respectively, based on market conditions and perceived risks as of those dates.