STOCK BASED COMPENSATION - Summary of Stock Options (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Number of Options
Options granted (in shares)	0
Stock Options
Number of Options
Options outstanding at beginning (in shares)	1,254	1,618	2,889
Options granted (in shares)	0	0	601
Options exercised (in shares)	(408)	(247)	(1,730)
Options forfeited, cancelled (in shares)		(117)	(142)
Options outstanding at ending (in shares)	846	1,254	1,618	2,889
Options exercisable (in shares)	609
Weighted Average Exercise Price
Weighted average exercise price at beginning (in dollars per share)	$ 16.79	$ 16.44	$ 6.56
Options granted (in dollars per share)			23.59
Options exercised (in dollars per share)	10.03	12.23	2.06
Options forfeited, cancelled (in dollars per share)		21.56	20.88
Weighted average exercise price at ending (in dollars per share)	20.05	$ 16.79	$ 16.44	$ 6.56
Options exercisable (in dollars per share)	$ 20.06
Weighted average remaining contractual term (Years)	6 years 11 months 4 days	7 years 2 months 19 days	8 years 1 month 13 days	6 years 5 months 23 days
Weighted average remaining contractual term of options exercisable (years)	6 years 11 months 1 day
Aggregate intrinsic value of options outstanding options	$ 53,062
Aggregate intrinsic value of options exercisable options	$ 38,223