Debt (Tables)

12 Months Ended

Jun. 30, 2025

Debt Disclosure [Abstract]

Schedule of Debt

The principal amounts and associated effective interest rates of the Notes and other debt as of June 30, 2025 and 2024 are as follows:

Debt instrument	Effective Interest Rate	June 30, 2025		June 30, 2024
Fixed-rate 3.375% notes due September 15, 2025	3.47%	$	—	$	1,000.0
Fixed-rate 1.700% notes due May 15, 2028	1.85%	1,000.0		1,000.0
Fixed-rate 1.250% notes due September 1, 2030	1.83%	1,000.0		1,000.0
Fixed-rate 4.750% notes due May 8, 2032	4.95%	1,000.0		—
Fixed-rate 4.450% notes due September 9, 2034	4.75%	1,000.0		—
Other		2.9		4.1
		4,002.9		3,004.1
Less: current portion (a)		(1.0)		(1.1)
Less: unamortized discount and debt issuance costs		(27.2)		(11.7)
Total long-term debt		$	3,974.7	$	2,991.3

(a) - Current portion of long-term debt as of June 30, 2025 is included within accrued expenses and other current liabilities on the Consolidated Balance Sheets.