RETIREMENT AND POST RETIREMENT HEALTH CARE PLANS (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020	Jan. 02, 2021
Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]
Contribution to defined benefit pension plans	$ 1.3	$ 1.3	$ 4.1	$ 3.6	$ 8.5
Expected total contribution to defined benefit pension plans	$ 5.8		$ 5.8