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COMMITMENTS AND CONTINGENCIES (Detail Textuals) - USD ($)
$ in Millions
12 Months Ended
Jan. 31, 2016
Jan. 31, 2015
Jan. 31, 2014
Commitment And Contingencies [Line Items]      
Rent expense $ 75.6 $ 72.6 $ 48.3
Advertising expense 81.9 71.5 62.3
License Agreements      
Commitment And Contingencies [Line Items]      
Royalty expense 123.7 109.6 101.5
Advertising expense $ 36.1 $ 32.1 $ 30.0
License Agreements | Minimum      
Commitment And Contingencies [Line Items]      
Royalty payments as a percentage of net sales 4.00%    
License Agreements | Maximum      
Commitment And Contingencies [Line Items]      
Royalty payments as a percentage of net sales 19.00%