INCOME TAXES - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 03, 2020	Dec. 28, 2018	Dec. 29, 2017
Income Tax Disclosure [Abstract]
Statutory tax expense	$ 61.6	$ 46.9	$ 83.2
Increase (reduction) in income taxes resulting from:
State income taxes, net	9.7	7.9	4.4
Foreign tax effects	3.5	11.9	2.0
Change in valuation allowance	(42.3)	(0.6)	(0.3)
Impact of tax legislation	0.0	(2.1)	35.6
Foreign derived intangible income deduction	(4.5)	0.0	0.0
Other, net	2.5	2.9	3.7
Income tax expense	$ 30.5	$ 66.9	$ 128.6