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Segment Reporting - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jul. 28, 2012
Jul. 30, 2011
Jul. 28, 2012
Segment
Jul. 30, 2011
Segment Reporting Information [Line Items]        
Number of reporting segments     4  
Ownership interest in joint ventures 60.00%   60.00%  
Certain management costs and royalty fees $ 10.9 $ 10.1 $ 22.0 $ 18.9