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Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Goodwill And Intangible Assets [Line Items]    
Gross carrying amounts $ 34,626 $ 33,239
Accumulated amortization 20,321 18,781
Net 14,305 14,458
Unamortized intangible assets    
Goodwill 55,604 60,396
Trademarks 80,707 75,464
Subtotal 136,311 135,860
Total intangible assets, net 150,616 150,318
Minimum
    
Unamortized intangible assets    
Estimated Life 3 years  
Maximum
    
Unamortized intangible assets    
Estimated Life 15 years  
Licenses
    
Goodwill And Intangible Assets [Line Items]    
Gross carrying amounts 20,779 20,432
Accumulated amortization 13,394 12,798
Net 7,385 7,634
Unamortized intangible assets    
Estimated Life 14 years  
Trademarks
    
Goodwill And Intangible Assets [Line Items]    
Gross carrying amounts 2,194 2,193
Accumulated amortization 1,816 1,595
Net 379 598
Trademarks | Minimum
    
Unamortized intangible assets    
Estimated Life 8 years  
Trademarks | Maximum
    
Unamortized intangible assets    
Estimated Life 12 years  
Customer relationships
    
Goodwill And Intangible Assets [Line Items]    
Gross carrying amounts 8,741 8,620
Accumulated amortization 3,696 2,995
Net 5,044 5,625
Customer relationships | Minimum
    
Unamortized intangible assets    
Estimated Life 8 years  
Customer relationships | Maximum
    
Unamortized intangible assets    
Estimated Life 15 years  
Other
    
Goodwill And Intangible Assets [Line Items]    
Gross carrying amounts 2,912 1,994
Accumulated amortization 1,415 1,393
Net $ 1,497 $ 601
Other | Minimum
    
Unamortized intangible assets    
Estimated Life 3 years  
Other | Maximum
    
Unamortized intangible assets    
Estimated Life 10 years