DERIVATIVE INSTRUMENTS (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Loss recognized in interest expense	$ 0.1	$ 0.2
Loss expected to be reclassified in the next 12 months		2.1
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Interest rate swap	7.5	7.5	$ 1.7
Interest Rate Swap
Derivatives, Fair Value [Line Items]
Aggregate notional amount	$ 300.0	300.0
Decrease in notional amount over time		$ 50.0
Contract rate	2.63%	2.63%
Interest Rate Swap \| Designated as Hedging Instrument \| Other current liabilities
Derivatives, Fair Value [Line Items]
Interest rate swap	$ 2.1	$ 2.1	0.3
Interest Rate Swap \| Designated as Hedging Instrument \| Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Interest rate swap	$ 5.4	$ 5.4	$ 1.4

Derivative Liability, Decrease In Notional Amount

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- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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- Definition

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

+ References

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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings.

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