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Derivative Instruments And Hedging Activities - Additional Information (Detail) (Interest Rate Cap, USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Derivative
Interest Rate Cap
 
Derivative [Line Items]  
Interest rate cap agreements, number 2
Interest rate cap agreements, notional amount $ 450
Interest rate cap agreements, cap rate 7.00%
Interest rate cap agreements, termination date May 31, 2015