DERIVATIVE INSTRUMENTS - Narrative (Details) € in Millions	1 Months Ended	6 Months Ended
	Sep. 30, 2020 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 EUR (€)	Nov. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 EUR (€)	Dec. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Authorized repurchase amount				$ 250,000,000.0			$ 196,000,000.0	$ 200,000,000.0
Accumulated other comprehensive loss		$ (606,600,000)			$ (662,400,000)
Net investment hedge
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Foreign exchange risk exposure amount (in Euros) | €			€ 907.8			€ 701.3
Net investment hedge | Other Foreign Currency Translation Adjustments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Accumulated other comprehensive loss		(22,100,000)			(12,200,000)
Foreign exchange forward contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cash flow hedges in AOCI/(L), net of tax		1,100,000			700,000
Cash flow hedge to be reclassified during next 12 months		700,000
Foreign exchange forward contracts | Net investment hedge
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount		26,600,000			28,000,000.0
Foreign exchange forward contracts | Net investment hedge | Other Foreign Currency Translation Adjustments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Accumulated other comprehensive loss		(37,600,000)			(37,600,000)
Cross-currency swap contracts | Net investment hedge
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount		1,828,400,000			1,653,500,000
Notional amount terminated	$ 550,000,000.0
Payment for termination of derivative	$ 37,600,000
Interest rate swap contracts | Interest Rate Risk
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Notional amount					$ 200,000,000.0
Cash receipt from interest rate swap contracts		$ 2,100,000