EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Retirement Benefits [Abstract]
Matching expenses related to defined contribution plan	$ 1.3	$ 0.9
Future match of defined contribution plans	2.7
Supplemental discretionary contributions	2.4	$ 1.5
Supplemental contributions to the plan during the remainder of fiscal year	$ 4.0