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Property Plant and Equipment Net - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 01, 2014
Feb. 02, 2013
Jan. 28, 2012
Property, Plant and Equipment [Line Items]      
Depreciation and amortization expense $ 110.2 $ 99.4 $ 92.4
Impairment of assets $ 0.7 $ 2.6 $ 1.4