ACCUMULATED OTHER COMPREHENSIVE LOSS - Summary of Activity for Each Component of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	$ 5,835.9	$ 4,574.3	$ 4,148.3
Ending balance	5,806.7	5,835.9	4,574.3
Total Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	(157.7)	(161.1)	(156.0)
Other comprehensive income (loss) before reclassifications	(19.3)	10.7	3.4
Amounts reclassified from accumulated other comprehensive loss	(72.8)	15.2	(24.4)
Deferred income tax benefit (expense)	(5.1)	(22.5)	15.9
Ending balance	(254.9)	(157.7)	(161.1)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	(172.5)	(122.4)	(154.8)
Other comprehensive income (loss) before reclassifications	(33.9)	(39.2)	35.7
Amounts reclassified from accumulated other comprehensive loss	(7.0)	(6.4)	(6.4)
Deferred income tax benefit (expense)	(5.4)	(4.5)	3.1
Ending balance	(218.8)	(172.5)	(122.4)
Unrealized Gain (Loss) on Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	29.7	(27.7)	12.5
Other comprehensive income (loss) before reclassifications	75.2	66.3	(34.8)
Amounts reclassified from accumulated other comprehensive loss	(84.5)	12.0	(19.2)
Deferred income tax benefit (expense)	3.4	(20.9)	13.8
Ending balance	23.8	29.7	(27.7)
Unrealized Gain (Loss) on Available-for-sale Investments
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	(6.9)	8.6	1.7
Other comprehensive income (loss) before reclassifications	(77.9)	(29.2)	8.0
Amounts reclassified from accumulated other comprehensive loss	18.8	8.6	0.3
Deferred income tax benefit (expense)	0.4	5.1	(1.4)
Ending balance	(65.6)	(6.9)	8.6
Unrealized Pension (Costs) Credits
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	(8.0)	(19.6)	(15.4)
Other comprehensive income (loss) before reclassifications	17.3	12.8	(5.5)
Amounts reclassified from accumulated other comprehensive loss	(0.1)	1.0	0.9
Deferred income tax benefit (expense)	(3.5)	(2.2)	0.4
Ending balance	$ 5.7	$ (8.0)	$ (19.6)

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