BENEFIT PLANS - Amount of Prior Service Cost and Actuarial Loss Included in Accumulated Other Comprehensive Loss that is Expected to Be Recognized in Net Periodic Benefit Cost (Details) $ in Millions |
12 Months Ended |
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Dec. 31, 2018
USD ($)
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| Pension Benefits | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Actuarial loss, net of taxes of $3.7 for pension benefits and $0.3 for other benefits | $ 11.5 |
| Prior service cost, net of taxes of $0.1 for pension benefits and $(0.2) for other benefits | 0.4 |
| Actuarial loss, taxes | 3.7 |
| Prior service cost, taxes | 0.1 |
| Other Benefits | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Actuarial loss, net of taxes of $3.7 for pension benefits and $0.3 for other benefits | 1.0 |
| Prior service cost, net of taxes of $0.1 for pension benefits and $(0.2) for other benefits | (0.8) |
| Actuarial loss, taxes | 0.3 |
| Prior service cost, taxes | $ (0.2) |
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- Definition Defined Benefit Plan, Actuarial Losses to be Amortized and Reclassified from Accumulated Other Comprehensive Income (Loss) to Net Pension Cost No definition available.
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- Definition Amount of tax expense (benefit) of amortization and reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement benefit plans. No definition available.
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- Definition Defined Benefit Plan, Prior Service Cost to be Amortized and Reclassified from Accumulated Other Comprehensive Income (Loss) to Net Pension Cost No definition available.
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- Definition Amount of tax expense (benefit) of amortization and reclassification adjustment from accumulated other comprehensive income (loss) for prior service cost related to pension and other postretirement benefit plans. No definition available.
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- Definition 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. No definition available.
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