LEASES - Lease Expense (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating lease expense	$ 54.4
Finance lease expense amortization of leased assets	1.1
Short-term and variable lease expense	0.6
Sublease income	(0.5)
Total	$ 55.6