Fair Value of Financial Instruments - Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Jun. 30, 2023	Jun. 30, 2022
Other current assets:
Securities	$ 0.7	$ 0.6
Other non-current assets:
Securities	141.3	118.0
Derivative asset	$ 66.7	$ 101.4
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration]	Other current assets	Other current assets
Total assets	$ 208.7	$ 220.1
Liabilities:
Contingent consideration obligations	12.0	12.9
Total liabilities	12.0	12.9
Level 1
Other current assets:
Securities	0.7	0.6
Other non-current assets:
Securities	141.3	118.0
Derivative asset	0.0	0.0
Total assets	142.0	118.7
Liabilities:
Contingent consideration obligations	0.0	0.0
Total liabilities	0.0	0.0
Level 2
Other current assets:
Securities	0.0	0.0
Other non-current assets:
Securities	0.0	0.0
Derivative asset	66.7	101.4
Total assets	66.7	101.4
Liabilities:
Contingent consideration obligations	0.0	0.0
Total liabilities	0.0	0.0
Level 3
Other current assets:
Securities	0.0	0.0
Other non-current assets:
Securities	0.0	0.0
Derivative asset	0.0	0.0
Total assets	0.0	0.0
Liabilities:
Contingent consideration obligations	12.0	12.9
Total liabilities	$ 12.0	$ 12.9