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BORROWINGS - Schedule of Outstanding Borrowings (Details) - USD ($)	Jun. 30, 2026	Aug. 21, 2025	Jun. 30, 2025	Aug. 31, 2023
Debt Instrument [Line Items]
Principal amount	$ 3,274,700,000
Current portion of long-term debt	0		$ 499,300,000
Long-term debt	3,254,600,000		2,753,000,000
Unused available capacity	1,225,300,000
Fair value of fixed-rate notes	3,118,100,000
Total long-term debt	3,254,600,000		3,252,300,000
Long Term Debt, Current Portion
Debt Instrument [Line Items]
Principal amount	0
Current portion of long-term debt	0		499,300,000
Fair value of fixed-rate notes	0
Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount	274,700,000
Long-term debt	274,700,000		133,500,000
Unused available capacity	1,225,300,000
Fair value of fixed-rate notes	274,700,000
Senior Notes, Excluding Current Maturities
Debt Instrument [Line Items]
Principal amount	2,250,000,000
Long-term debt	2,232,600,000		1,740,300,000
Fair value of fixed-rate notes	2,093,500,000
Long Term Debt, Excluding Current Maturities
Debt Instrument [Line Items]
Principal amount	3,274,700,000
Long-term debt	3,254,600,000		2,753,000,000
Unused available capacity	1,225,300,000
Fair value of fixed-rate notes	3,118,100,000
Fiscal 2016 Senior Notes \| Senior Notes, Current Maturities
Debt Instrument [Line Items]
Principal amount	0
Current portion of long-term debt	0		499,300,000
Fair value of fixed-rate notes	0
Fiscal 2025 Revolving Credit Facility U.S. Dollar Tranche \| Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount	250,000,000.0
Long-term debt	250,000,000.0		0
Unused available capacity	750,000,000.0
Fair value of fixed-rate notes	250,000,000.0
Fiscal 2025 Revolving Credit Facility Multicurrency Tranche \| Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount	24,700,000
Long-term debt	24,700,000		133,500,000
Unused available capacity	475,300,000
Fair value of fixed-rate notes	24,700,000
Fiscal 2024 Amended Term Loans \| Term Loans
Debt Instrument [Line Items]
Principal amount				$ 1,300,000,000
Long-term debt			879,100,000
Fiscal 2026 Term Loan \| Term Loans
Debt Instrument [Line Items]
Principal amount	750,000,000.0	$ 750,000,000.0
Long-term debt	747,300,000
Fair value of fixed-rate notes	750,000,000.0
Fiscal 2020 Senior Notes \| Senior Notes, Excluding Current Maturities
Debt Instrument [Line Items]
Principal amount	750,000,000.0
Long-term debt	746,900,000		746,000,000.0
Fair value of fixed-rate notes	703,200,000
Fiscal 2021 Senior Notes \| Senior Notes, Excluding Current Maturities
Debt Instrument [Line Items]
Principal amount	1,000,000,000
Long-term debt	995,300,000		994,400,000
Fair value of fixed-rate notes	893,100,000
Fiscal 2026 Senior Notes \| Senior Notes, Excluding Current Maturities
Debt Instrument [Line Items]
Principal amount	500,000,000.0
Long-term debt	490,400,000		$ 0
Fair value of fixed-rate notes	$ 497,100,000