LEASE - OTHER INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Lease Cost
Cash paid for amounts included in operating lease liabilities	$ 20.5	$ 16.7
Right of use assets obtained in the exchange for new operating lease liabilities	$ 16.1	$ 5.8
Weighted-average remaining operating lease term	7 years 4 months 24 days		7 years 6 months
Weighted-average incremental borrowing rate	4.10%		4.20%