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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, 2020 USD ($)
United States |
Defined Benefit Plan Disclosure [Line Items] |
Net loss arising during the year | $ (1.6)
Effect of exchange rates | 0.0
Amortization or curtailment recognition of prior service cost | 0.0
Amortization or settlement recognition of net loss | 1.0
Total recognized in other comprehensive income | (0.6)
Total recognized in net periodic benefit cost and other comprehensive income | 1.3
Foreign Plan |
Defined Benefit Plan Disclosure [Line Items] |
Net loss arising during the year | (10.7)
Effect of exchange rates | (4.0)
Amortization or curtailment recognition of prior service cost | 0.1
Amortization or settlement recognition of net loss | 3.2
Total recognized in other comprehensive income | (11.4)
Total recognized in net periodic benefit cost and other comprehensive income | $ 12.1

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