Share-Based Compensation, Common Stock Issuances, Redeemable Common Stock and Common Stock - Summary of Options Outstanding (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Dec. 27, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning balance	7,844,678
Options granted	1,948,524
Options exercised	(808,164)
Options forfeited	(323,129)
Outstanding, ending balance	8,661,909	7,844,678
Outstanding, vested and exercisable	6,224,607
Average Fair Value Outstanding, beginning balance	$ 5.45
Average Fair Value granted	6.28	$ 6.91	$ 0
Average Fair Value exercised	5.26
Average Fair Value forfeited	6.59
Average Fair Value Outstanding, ending balance	5.65	5.45
Average Fair Value Vested and exercisable	5.27
Average Exercise Price Outstanding, beginning balance	14.76
Average Exercise Price granted	21.18
Average Exercise Price exercised	10.52
Average Exercise Price forfeited	17.79
Average Exercise Price Outstanding, ending balance	12.91	$ 14.76
Average Exercise Price Vested and exercisable	$ 10.43
Remaining contractual term, Outstanding	5 years 4 months 24 days
Remaining contractual term, Vested and exercisable	4 years
Time Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning balance	4,382,888
Options granted	1,233,748
Options exercised	(412,638)	(773,696)	(4,444)
Options forfeited	(230,281)
Outstanding, ending balance	4,973,717	4,382,888
Outstanding, vested and exercisable	3,136,255
Performance Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning balance	3,461,790
Options granted	714,776
Options exercised	(395,526)	(682,920)	(3,703)
Options forfeited	(92,848)
Outstanding, ending balance	3,688,192	3,461,790
Outstanding, vested and exercisable	3,088,352