Equity-Based Compensation - Option Activity and Changes (Detail)	6 Months Ended
	Jul. 03, 2021 $ / shares shares
Shares
Options outstanding at January 2, 2021 | shares	1,814,467
Options granted | shares
Options cancelled and forfeited | shares	(205,324)
Options exercised | shares	(65,462)
Options outstanding at July 3, 2021 | shares	1,543,681
Options exercisable at July 3, 2021 | shares	1,317,356
Weighted-Average Exercise Price
Options outstanding at January 2, 2021 | $ / shares	$ 6.66
Options granted | $ / shares
Options cancelled and forfeited | $ / shares	6.72
Options exercised | $ / shares	5.89
Options outstanding at July 3, 2021 | $ / shares	6.57
Options exercisable at July 3, 2021 | $ / shares	$ 6.78