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Equity - Additional Information (Detail)
 1 Months Ended 12 Months Ended
Nov. 08, 2007
shares
$ / shares
Oct. 31, 2014
shares
Dec. 31, 2016
$ / shares
shares
Jan. 02, 2016
$ / shares
shares
Jan. 03, 2015
$ / shares
shares
Feb. 28, 2013
shares
Equity [Line Items]            
Dividends declared for outstanding common stock One preferred stock purchase right          
Preferred stock voting rights per share $ 1.000          
Par value of preferred stock under stockholder rights plan     $ 0.001 $ 0.001    
Number of right to be issued with each share of common stock | shares 1          
Average cost per share     $ 42.39 $ 37.36 $ 23.00  
Shares repurchased | shares     1,496,000 4,148,000 4,455,000  
Series A Preferred Stock            
Equity [Line Items]            
Par value of preferred stock under stockholder rights plan $ 0.001          
Purchase price per right $ 136.00          
2013 Repurchase Program [Member] | Common Stock            
Equity [Line Items]            
Number of common shares authorized to be repurchased under repurchase program | shares   9,000,000       6,000,000.0
Stock Repurchase Program, Increase (Decrease) in Number of Shares Authorized to be Repurchased | shares   3,000,000.0