REVENUE Contract Assets and Liabilities (Details) - USD ($) $ in Millions	Oct. 02, 2021	Dec. 31, 2020
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract]
Current contract assets, net	$ 17.6	$ 19.1
Non-current contract assets, net	0.3	0.0
Current contract liabilities	(39.9)	(56.2)
Non-current contract liabilities	(4.4)	(0.1)
Net Contract Liabilities	$ 26.4	$ 37.2