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EMPLOYEE BENEFIT PLANS - Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Details) - Defined Benefit Pension Plans $ in Millions | 12 Months Ended
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Dec. 31, 2019 USD ($)
United States |
Defined Benefit Plan Disclosure [Line Items] |
Net gain (loss) arising during the year | $ 0.7
Effect of exchange rates | 0.0
Amortization, settlement, or curtailment recognition of net transition obligation | 0.0
Amortization or curtailment recognition of prior service cost | 0.0
Amortization or settlement recognition of net loss | 0.8
Total recognized in other comprehensive gain | 1.5
Total recognized in net periodic benefit cost and other comprehensive gain | 0.6
Foreign Plan |
Defined Benefit Plan Disclosure [Line Items] |
Net gain (loss) arising during the year | (20.3)
Effect of exchange rates | (2.1)
Amortization, settlement, or curtailment recognition of net transition obligation | 0.4
Amortization or curtailment recognition of prior service cost | 0.1
Amortization or settlement recognition of net loss | 2.5
Total recognized in other comprehensive gain | (19.4)
Total recognized in net periodic benefit cost and other comprehensive gain | $ (19.9)

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