INCOME TAXES - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 03, 2020	Dec. 28, 2018	Dec. 29, 2017
Current:
Foreign	$ 21.7	$ 24.2	$ 21.7
State	10.3	9.4	8.3
Federal	39.9	34.2	99.4
Current income tax expense	71.9	67.8	129.4
Deferred:
Foreign	(3.5)	(2.5)	0.2
State	0.5	0.2	2.0
Federal	(38.4)	1.4	(3.0)
Deferred income taxes	(41.4)	(0.9)	(0.8)
Income tax expense	$ 30.5	$ 66.9	$ 128.6