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           Stock Repurchase Program - Additional Information (Detail) (USD $) 
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        3 Months Ended | |
|---|---|---|
| 
           May 03, 2014 
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           May 04, 2013 
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| Stock Repurchase Program [Line Items] | ||
| Repurchase of common stock | $ 37,337,000 | |
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           Stock Repurchase Program [Member] 
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        ||
| Stock Repurchase Program [Line Items] | ||
| Repurchase of common stock, shares | 0 | 500,500 | 
| Repurchase of common stock | 37,300,000 | |
| Repurchase of common stock, average price per share | $ 74.58 | |
| 
           Stock Repurchase Program [Member] | Maximum [Member] 
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        ||
| Stock Repurchase Program [Line Items] | ||
| Repurchase of common stock authorized amount | $ 150,000,000 | |
| X | ||||||||||
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- Definition 
          Common stock acquired average cost per share. No definition available. 
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- Details 
          
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- Definition 
          The cash outflow to reacquire common stock during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Number of shares that have been repurchased and retired during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of a stock repurchase plan authorized by an entity's Board of Directors. No definition available. 
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