Debt (Details) - USD ($) $ in Millions	Mar. 31, 2021	Jun. 30, 2020
Debt Instrument [Line Items]
Notes payable	$ 2,007.2	$ 2,008.4
Less: current portion	(1.2)	(1,001.8)
Less: unamortized discount and debt issuance costs	(11.7)	(3.8)
Long-term debt	$ 1,994.3	$ 1,002.8
Fixed-rate 2.250% notes due September 15, 2020
Debt Instrument [Line Items]
Stated interest rate		2.25%
Debt instrument effective rate (percent)		2.37%
Notes payable		$ 1,000.0
Fixed-rate 3.375% notes due September 15, 2025
Debt Instrument [Line Items]
Stated interest rate	3.375%
Debt instrument effective rate (percent)	3.47%
Notes payable	$ 1,000.0	1,000.0
Fixed-rate 1.250% notes due September 1, 2030
Debt Instrument [Line Items]
Stated interest rate	1.25%
Debt instrument effective rate (percent)	1.83%
Notes payable	$ 1,000.0	0.0
Other
Debt Instrument [Line Items]
Notes payable	$ 7.2	$ 8.4

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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