EMPLOYEE BENEFIT PLANS - Schedule of Reconciliation of Level 3 Assets (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Fair value of plan assets at beginning of year	$ 304.1
Fair value of plan assets at end of year	340.7	$ 304.1
Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Fair value of plan assets at beginning of year	4.6
Fair value of plan assets at end of year	10.0	4.6
Defined Benefit Pension Plans \| Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]
Fair value of plan assets at beginning of year	4.6	9.9
Net purchases, issuances, and settlements	0.0	0.2
Actual return on plan assets	1.9	0.3
Transfers	5.1	(5.8)
Effect of currency rate changes	0.4	0.0
Fair value of plan assets at end of year	$ 12.0	$ 4.6

Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

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- Definition

Amount, measured using unobservable input, of increase (decrease) in plan asset of defined benefit plan from purchase, sale and settlement of trade associated with underlying investment.

+ References

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- Definition

Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan, for assets transferred into (out of) Level 3 of fair value hierarchy. Includes, but is not limited to, transfer due to change in observability of significant inputs.

+ References

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- Definition

Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) Foreign Currency Gain (Loss)

+ References

No definition available.

+ Details

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