DISCONTINUED OPERATIONS - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended			23 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Jan. 01, 2016	Dec. 30, 2016	Feb. 11, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration for discontinued operations					$ 380.0
Proceeds from sale of business	$ 0.0	$ 0.0	$ 371.8
Transaction related costs			16.4
Gain on sale of business	0.0	$ 0.0	40.0	$ 40.3
Gain on sale of business, net of tax				$ 23.3
Discontinued operations allocated interest costs	$ 0.0		1.1
Pension curtailment gain			5.1
Special termination benefit costs			$ 0.3