PENSION, POST-RETIREMENT AND POST-EMPLOYMENT PLANS - Changes in Funded Status of Pension and SERP Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Change in Plan Assets:
Beginning of period balance	$ 173.4
End of period balance	169.2	$ 173.4
Pension and SERP Benefits | Domestic
Change in Projected Benefit Obligation:
Beginning of period balance	176.6	175.2
Service cost	0.0	0.0	$ 0.0
Interest cost	8.4	8.7	6.3
Plan curtailment	0.0	0.0
Actuarial (gain) loss due to assumption change	(9.3)	3.0
Actuarial (gain) loss due to plan experience	(1.7)	1.3
Benefits and expenses paid	(12.3)	(11.6)
Settlement	0.0	0.0
Foreign currency translation	0.0	0.0
End of period balance	161.7	176.6	175.2
Change in Plan Assets:
Beginning of period balance	168.4	158.7
Actual return on plan assets, net of expenses	7.1	20.8
Employer contributions	0.8	0.5
Benefits paid	(12.3)	(11.6)
Settlement	0.0	0.0
Foreign currency translation	0.0	0.0
End of period balance	164.0	168.4	158.7
Funded Status
Funded status of plan	2.3	(8.2)
Supplemental Information:
Accumulated benefit obligation	161.7	176.6
Plans with Accumulated Benefit Obligation in excess of Plan Assets:
Accumulated benefit obligation	5.0	176.6
Fair value plan assets	0.0	168.4
Plans with Projected Benefit Obligation in excess of Plan Assets:
Projected benefit obligation	5.0	176.6
Fair value plan assets	0.0	168.4
Pension and SERP Benefits | Foreign
Change in Projected Benefit Obligation:
Beginning of period balance	19.8	19.4
Service cost	0.6	0.6	0.8
Interest cost	0.6	0.7	0.3
Plan curtailment	0.0	(0.4)
Actuarial (gain) loss due to assumption change	(0.2)	0.8
Actuarial (gain) loss due to plan experience	0.1	0.2
Benefits and expenses paid	(1.0)	(0.8)
Settlement	(0.4)	(1.0)
Foreign currency translation	(1.4)	0.3
End of period balance	18.1	19.8	19.4
Change in Plan Assets:
Beginning of period balance	5.0	4.9
Actual return on plan assets, net of expenses	0.4	0.1
Employer contributions	1.6	1.7
Benefits paid	(1.0)	(0.8)
Settlement	(0.4)	(1.0)
Foreign currency translation	(0.4)	0.1
End of period balance	5.2	5.0	4.9
Funded Status
Funded status of plan	(12.9)	(14.8)
Supplemental Information:
Accumulated benefit obligation	16.3	17.4
Plans with Accumulated Benefit Obligation in excess of Plan Assets:
Accumulated benefit obligation	14.5	15.5
Fair value plan assets	2.6	2.5
Plans with Projected Benefit Obligation in excess of Plan Assets:
Projected benefit obligation	15.9	19.6
Fair value plan assets	2.6	4.6
Post-retirement Medical Benefits | Domestic
Change in Projected Benefit Obligation:
Beginning of period balance	5.4	5.9
Service cost	0.0	0.0
Interest cost	0.3	0.3	0.2
Plan curtailment	0.0	0.0
Actuarial (gain) loss due to assumption change	(0.2)	0.1
Actuarial (gain) loss due to plan experience	0.1	(0.5)
Benefits and expenses paid	(0.4)	(0.4)
Settlement	0.0	0.0
Foreign currency translation	0.0	0.0
End of period balance	5.2	5.4	5.9
Change in Plan Assets:
Beginning of period balance	0.0	0.0
Actual return on plan assets, net of expenses	0.0	0.0
Employer contributions	0.4	0.4
Benefits paid	(0.4)	(0.4)
Settlement	0.0	0.0
Foreign currency translation	0.0	0.0
End of period balance	0.0	0.0	$ 0.0
Funded Status
Funded status of plan	(5.2)	(5.4)
Supplemental Information:
Accumulated benefit obligation	5.2	5.4
Plans with Accumulated Benefit Obligation in excess of Plan Assets:
Accumulated benefit obligation	5.2	5.4
Fair value plan assets	0.0	0.0
Plans with Projected Benefit Obligation in excess of Plan Assets:
Projected benefit obligation	5.2	5.4
Fair value plan assets	$ 0.0	$ 0.0