FAIR VALUE MEASUREMENTS - Schedule of Financial Assets Measured at Fair Value on a Recurring Basis (Details) - Fair Value Measurements on a Recurring Basis - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Assets:
Net investment hedges	$ 3.3	$ 0.0
Available-for-sale debt securities	4.7	0.0
Total assets, fair value	98.7	84.7
Liabilities:
Net investment hedges	3.4	24.4
Level 1
Assets:
Total assets, fair value	90.7	84.7
Level 2
Assets:
Net investment hedges	3.3
Available-for-sale debt securities	4.7
Total assets, fair value	8.0	0.0
Liabilities:
Net investment hedges	3.4	24.4
Level 3
Assets:
Total assets, fair value	0.0	0.0
Deferred compensation plan
Assets:
Deferred compensation plan	90.7	84.7
Deferred compensation plan | Level 1
Assets:
Deferred compensation plan	90.7	$ 84.7
Deferred compensation plan | Level 2
Assets:
Deferred compensation plan