EQUITY AND LONG-TERM INCENTIVE COMPENSATION - Components of AOCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Amount Reclassified from AOCI
Cost of products sold	$ 255.1	$ 258.6	$ 769.5	$ 783.2
Interest expense	4.5	5.0	14.0	15.6
Income from continuing operations before income taxes	(28.5)	(24.0)	(92.7)	(52.7)
Other income, net	(2.9)	(1.0)	(9.4)	(10.1)
Income taxes	5.8	2.8	18.9	11.5
Income from continuing operations	(22.7)	(21.2)	(73.8)	(41.2)
Reclassification out of Accumulated Other Comprehensive Income | Net Unrealized Gains (Losses) on Qualifying Cash Flow Hedges
Amount Reclassified from AOCI
Income from continuing operations before income taxes	0.9	0.5	3.3	0.8
Income taxes	(0.2)	(0.1)	(0.8)	(0.2)
Income from continuing operations	0.7	0.4	2.5	0.6
Reclassification out of Accumulated Other Comprehensive Income | Pension and Postretirement Liability Adjustment
Amount Reclassified from AOCI
Other income, net	(1.2)	(1.0)	(3.6)	(3.0)
Income taxes	0.3	0.2	0.9	0.7
Income from continuing operations	(0.9)	(0.8)	(2.7)	(2.3)
Commodity contracts | Reclassification out of Accumulated Other Comprehensive Income | Net Unrealized Gains (Losses) on Qualifying Cash Flow Hedges
Amount Reclassified from AOCI
Cost of products sold	(0.5)	0.3	0.1	0.6
Swaps | Reclassification out of Accumulated Other Comprehensive Income | Net Unrealized Gains (Losses) on Qualifying Cash Flow Hedges
Amount Reclassified from AOCI
Interest expense	$ 1.4	$ 0.2	$ 3.2	$ 0.2