PENSION AND OTHER POST-RETIREMENT BENEFIT PLANS - Changes in projected benefit obligations, fair value of plan assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other Post-retirement Benefits
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation, beginning balance	$ 8.4	$ 9.4
Service cost	0.0	0.0	$ 0.0
Interest cost	0.3	0.3	0.4
Actuarial (gain) loss	(1.5)	(0.7)
Settlements	0.0	0.0
Foreign currency exchange rate changes	(0.1)	(0.2)
Plan participants’ contributions	0.0	0.0
Benefits paid	(0.4)	(0.4)
Other	0.0	0.0
Projected benefit obligation, ending balance	6.7	8.4	9.4
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning balance	0.0	0.0
Actual return on plan assets	0.0	0.0
Company contributions	0.0	0.0
Foreign currency exchange rate changes	0.0	0.0
Settlements	0.0	0.0
Plan participants’ contributions	0.0	0.0
Benefits paid	0.0	0.0
Other	0.0	0.0
Fair value of plan assets, ending balance	0.0	0.0	0.0
Funded status of the plans (liability) as of December 31	(6.7)	(8.4)
Amounts recognized in balance sheet
Current portion of accrued pension and other post-retirement benefits	(0.6)	(0.6)
Accrued pension and other post-retirement benefits, net of current portion	(6.1)	(7.8)
Funded status as of December 31	(6.7)	(8.4)
Pre-tax amounts recognized in accumulated other comprehensive (income) loss
Unrecognized actuarial loss	(1.1)	0.4
Unrecognized prior service cost	0.0	0.0
Accumulated other comprehensive (income) loss as of December 31	(1.1)	0.4
Plans with underfunded or non-funded projected benefit obligation
Aggregate projected benefit obligation	6.7	8.4
Aggregate fair value of plan assets	0.0	0.0
Aggregate accumulated benefit obligation	0.0	0.0
Aggregate fair value of plan assets	0.0	0.0
U.S. | Pensions
Pension and Other Postretirement Benefit Plans Disclosure [Line Items]
Accumulated benefit obligation	465.1	653.6
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation, beginning balance	653.6	684.7
Service cost	0.0	0.0	0.0
Interest cost	18.5	18.0	22.2
Actuarial (gain) loss	(173.3)	7.1
Settlements	(1.5)	(22.6)
Foreign currency exchange rate changes	0.0	0.0
Plan participants’ contributions	0.0	0.0
Benefits paid	(32.2)	(33.6)
Other	0.0	0.0
Projected benefit obligation, ending balance	465.1	653.6	684.7
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning balance	517.5	483.7
Actual return on plan assets	(110.6)	61.1
Company contributions	4.1	28.9
Foreign currency exchange rate changes	0.0	0.0
Settlements	(1.5)	(22.6)
Plan participants’ contributions	0.0	0.0
Benefits paid	(32.2)	(33.6)
Other	0.0	0.0
Fair value of plan assets, ending balance	377.3	517.5	483.7
Funded status of the plans (liability) as of December 31	(87.8)	(136.1)
Amounts recognized in balance sheet
Current portion of accrued pension and other post-retirement benefits	(0.5)	(2.9)
Accrued pension and other post-retirement benefits, net of current portion	(87.3)	(133.2)
Funded status as of December 31	(87.8)	(136.1)
Pre-tax amounts recognized in accumulated other comprehensive (income) loss
Unrecognized actuarial loss	116.3	156.6
Unrecognized prior service cost	0.0	0.0
Accumulated other comprehensive (income) loss as of December 31	116.3	156.6
Plans with underfunded or non-funded projected benefit obligation
Aggregate projected benefit obligation	464.3	652.2
Aggregate fair value of plan assets	376.1	516.0
Aggregate accumulated benefit obligation	464.3	652.2
Aggregate fair value of plan assets	376.1	516.0
International | Pensions
Pension and Other Postretirement Benefit Plans Disclosure [Line Items]
Accumulated benefit obligation	330.0	589.1
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation, beginning balance	601.6	656.4
Service cost	4.1	10.0	10.4
Interest cost	10.4	9.8	11.3
Actuarial (gain) loss	(197.8)	(32.5)
Settlements	(1.0)	0.0
Foreign currency exchange rate changes	(55.5)	(11.9)
Plan participants’ contributions	0.0	0.9
Benefits paid	(21.6)	(22.0)
Other	(0.5)	(9.1)
Projected benefit obligation, ending balance	339.7	601.6	656.4
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning balance	627.5	591.5
Actual return on plan assets	(186.5)	46.4
Company contributions	14.3	19.6
Foreign currency exchange rate changes	(61.6)	(8.9)
Settlements	(1.1)	0.0
Plan participants’ contributions	0.0	0.9
Benefits paid	(21.6)	(22.0)
Other	1.0	0.0
Fair value of plan assets, ending balance	372.0	627.5	$ 591.5
Funded status of the plans (liability) as of December 31	32.3	25.9
Amounts recognized in balance sheet
Current portion of accrued pension and other post-retirement benefits	(1.4)	(1.7)
Accrued pension and other post-retirement benefits, net of current portion	33.7	27.6
Funded status as of December 31	32.3	25.9
Pre-tax amounts recognized in accumulated other comprehensive (income) loss
Unrecognized actuarial loss	26.5	15.9
Unrecognized prior service cost	3.0	3.4
Accumulated other comprehensive (income) loss as of December 31	29.5	19.3
Plans with underfunded or non-funded projected benefit obligation
Aggregate projected benefit obligation	42.0	57.9
Aggregate fair value of plan assets	0.0	0.0
Aggregate accumulated benefit obligation	33.9	46.7
Aggregate fair value of plan assets	$ 0.0	$ 0.0