INDEBTEDNESS - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Long-term debt
Total long-term debt	$ 462.2	$ 465.3
Less: Current maturities of long-term debt	17.0	17.2
Less: Unamortized debt issuance costs	4.4	4.2
Long-term debt, net	440.8	443.9
Revolving credit facility \| Revolving Credit Facility
Long-term debt
Long-term debt	148.5	134.5
Term loans
Long-term debt
Long-term debt	$ 313.7	$ 330.8

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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