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           Stock Repurchase Program - Additional Information (Detail) (USD $) 
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        9 Months Ended | 
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           Nov. 02, 2013 
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| Stock Repurchase Program [Line Items] | |
| Repurchase of common stock, amount | $ 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 | 500,500 | 
| Repurchase of common stock, amount | 37,300,000 | 
| Repurchase of common stock, average price per share | $ 74.58 | 
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           Stock Repurchase Program [Member] | Maximum [Member] 
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| Stock Repurchase Program [Line Items] | |
| Repurchase of common stock authorized amount | $ 150,000,000 | 
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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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