ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,771.0	$ 1,675.9	$ 1,461.7
Ending balance	1,896.0	1,771.0	1,675.9
Translation adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(28.1)	(24.7)	(18.0)
Reclassification of net loss (gain) on currency forward cash flow hedges to operations	(7.4)	(3.4)	(6.7)
Ending balance	(35.5)	(28.1)	(24.7)
Employment benefit
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	27.9	36.8	10.6
Net gain (loss) on interest rate swap cash flow hedges	(1.0)	(5.9)	26.2
Reclassification of net loss (gain) on currency forward cash flow hedges to operations	(1.0)	(3.0)	0.0
Ending balance	25.9	27.9	36.8
Accumulated other comprehensive income (loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(0.2)	12.1	(7.4)
Ending balance	(17.6)	(0.2)	12.1
Foreign currency contracts | Cash flow hedge
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0.0	0.0	0.0
Net gain (loss) on interest rate swap cash flow hedges	(27.1)	0.0	0.0
Reclassification of net loss (gain) on currency forward cash flow hedges to operations	17.7	0.0	0.0
Ending balance	(9.4)	0.0	0.0
Interest rate swaps | Cash flow hedge
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0.0	0.0	0.0
Net gain (loss) on interest rate swap cash flow hedges	4.0	0.0	0.0
Reclassification of net loss (gain) on currency forward cash flow hedges to operations	(2.6)	0.0	0.0
Ending balance	$ 1.4	$ 0.0	$ 0.0