Stock-Based Compensation - Summary of Changes in Stock Options Outstanding (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 30, 2014
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Options outstanding, beginning balance at December 31, 2013, Number of Shares	43,948
Granted, Number of Shares	3,360
Exercised, Number of Shares	(7,801)
Canceled, Number of Shares	(228)
Options outstanding, ending balance at March 30, 2014, Number of Shares	39,279
Options exercisable at March 30, 2014, Number of Shares	25,110
Options outstanding, beginning balance at December 31, 2013, Weighted-Average Exercise Price Per Share	$ 5.87
Granted, Weighted-Average Exercise Price Per Share	$ 11.09
Exercised, Weighted-Average Exercise Price Per Share	$ 6.66
Canceled, Weighted-Average Exercise Price Per Share	$ 6.72
Options outstanding, ending balance at March 30, 2014, Weighted-Average Exercise Price Per Share	$ 6.16
Options exercisable at March 30, 2014, Weighted-Average Exercise Price Per Share	$ 5.28
Options outstanding at March 30, 2014, Weighted-Average Remaining Contractual Term	3 years 11 months 5 days
Options exercisable at March 30, 2014, Weighted-Average Remaining Contractual Term	2 years 11 months 1 day
Options outstanding at March 30, 2014, Aggregate Intrinsic Value	$ 193,014
Options exercisable at March 30, 2014, Aggregate Intrinsic Value	$ 145,388