Quarterly report pursuant to Section 13 or 15(d)

Share Repurchase Program - Additional Information (Detail)

v3.3.0.814
Share Repurchase Program - Additional Information (Detail) - USD ($)
9 Months Ended
Oct. 31, 2015
Nov. 01, 2014
Mar. 12, 2015
Sep. 11, 2014
Stock Repurchase Program [Line Items]        
Repurchase of common stock $ 121,272,000 $ 9,972,000    
2013 Share Repurchase Program [Member]        
Stock Repurchase Program [Line Items]        
Shares authorized but unused amount revoked       $ 112,664,000
2014 Share Repurchase Program [Member]        
Stock Repurchase Program [Line Items]        
Repurchase of common stock authorized increase     100,000,000  
Repurchase of common stock, shares 772,000 86,000    
Repurchase of common stock $ 121,272,000 $ 9,972,000    
Repurchase of common stock, average price per share $ 157.05 $ 116.09    
2014 Share Repurchase Program [Member] | Maximum [Member]        
Stock Repurchase Program [Line Items]        
Repurchase of common stock authorized amount $ 300,000,000