INCOME TAXES - Deferred tax assets and liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets attributable to
Accrued expenses	$ 184.3	$ 166.8
Capital loss	21.1	21.1
Non-deductible interest	96.4	87.7
Foreign tax credit carryforwards	120.4	136.5
Other tax credits	168.0	159.2
Net operating loss carryforwards	484.8	487.5
Research and development credit	23.3	13.7
Foreign exchange	0.0	21.7
Provisions for pensions and other long-term employee benefits	33.5	23.5
Contingencies	54.0	45.3
Leases	208.2	208.9
Other	11.1	6.4
Deferred tax assets	1,405.1	1,378.3
Valuation allowance	(917.4)	(999.1)
Deferred tax assets, net of valuation allowance	487.7	379.2
Deferred tax liabilities attributable to
Contract liabilities	24.7	23.1
Tax on undistributed earnings not indefinitely reinvested	60.0	13.4
Property, plant and equipment, intangibles and other assets	81.2	117.2
Foreign exchange	41.0	0.0
Leases	203.8	203.5
Other	4.4	5.0
Deferred tax liabilities	415.1	362.2
Net deferred tax assets	$ 72.6	$ 17.0