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Stock-Based Compensation - Number and Weighted Average Exercise Price of Options Issued and Outstanding under all Stock Option Plans (Detail)
shares in Thousands
 6 Months Ended
Jul. 02, 2016
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]  
Options outstanding, beginning of period 9,202
Granted 1,189
Canceled (120)
Exercised (965)
Options outstanding, end of period 9,306
Options exercisable, end of period 5,358
Options available for grant, end of period 4,400
Average Exercise Price  
Options outstanding, beginning of period | $ / shares $ 25.46
Granted | $ / shares 38.33
Canceled | $ / shares 28.61
Exercised | $ / shares 19.83
Options outstanding, end of period | $ / shares 27.64
Options exercisable, end of period | $ / shares $ 25.87