PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Annual Costs Related to Retirement Plans) (Details) - Pension Benefits [Member] - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Defined Benefit Plan Disclosure [Line Items] | Ìý | Ìý | Ìý |
| Defined benefit pension plans | $ 18.0 | $ 16.5 | $ 23.9 |
| Defined contribution pension plans | 2.9 | 2.8 | 3.6 |
| Other Postretirement Benefits Cost (Reversal of Cost) | (6.1) | (4.0) | 4.4 |
| Total | $ 14.8 | $ 15.3 | $ 31.9 |
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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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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cost for defined contribution plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cost (reversal of cost) for other postretirement benefits. Excludes pension benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cost (reversal of cost) for pension and other postretirement benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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