LEASES - Lease Disclosure (Details) $ in Millions	9 Months Ended
	Sep. 30, 2019 USD ($)
Finance Lease Cost:
Amortization of ROU assets	$ 0.2
Interest on lease liabilities	0.1
Operating Lease Cost	31.4
Total Lease Cost	31.7
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	0.1
Operating cash flows from operating leases	30.6
Financing cash flows from finance leases	0.7
ROU assets for finance leases	1.2
ROU assets for operating leases	93.9
Amortization on ROU assets for finance leases	0.2
Amortization on ROU assets for operating leases	$ 16.7
Weighted-average remaining lease term - finance leases	3 years 2 months 19 days
Weighted-average remaining lease term - operating leases	6 years 4 months
Weighted-average discount rate - finance leases	16.00%
Weighted-average discount rate - operating leases	15.80%