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BASIS OF PRESENTATION - Tax Cuts and Jobs Act (Details) $ in Millions | 3 Months Ended
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Dec. 31, 2017 USD ($)
Revenue from Contract with Customer [Abstract] |
Remeasurement of net deferred tax asset resulting in additional income tax expense | $ 4.0

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- Definition Amount of income tax expense (benefit) for remeasurement of deferred tax from change in tax rate pursuant to Tax Cuts and Jobs Act. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Data Type: | xbrli:stringItemType
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