FAIR VALUE MEASUREMENTS - Schedule of Financial Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025
Assets:
Total assets	$ 105.8	$ 101.0	$ 108.2
Liabilities:
Net investment hedges	84.5	122.6	144.1
Interest rate locks
Assets:
Derivative asset	0.0	0.0	4.1
Net investment hedges
Assets:
Derivative asset	2.4	0.0	0.0
Deferred compensation plan
Assets:
Deferred compensation plan	103.4	101.0	104.1
Level 1
Assets:
Total assets	103.4	101.0	104.1
Liabilities:
Net investment hedges	0.0	0.0	0.0
Level 1 | Interest rate locks
Assets:
Derivative asset	0.0	0.0	0.0
Level 1 | Net investment hedges
Assets:
Derivative asset	0.0	0.0	0.0
Level 1 | Deferred compensation plan
Assets:
Deferred compensation plan	103.4	101.0	104.1
Level 2
Assets:
Total assets	2.4	0.0	4.1
Liabilities:
Net investment hedges	84.5	122.6	144.1
Level 2 | Interest rate locks
Assets:
Derivative asset	0.0	0.0	4.1
Level 2 | Net investment hedges
Assets:
Derivative asset	2.4	0.0	0.0
Level 2 | Deferred compensation plan
Assets:
Deferred compensation plan	$ 0.0	$ 0.0	$ 0.0