Other Non-Current Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Jun. 30, 2021
Payables and Accruals [Abstract]
Operating lease liabilities	$ 248.8	$ 263.1
Post-employment retirement obligations	178.8	162.8
Non-current income taxes	49.1	48.2
Acquisition related contingencies	15.9	15.1
Other	31.7	48.0
Total	$ 524.2	$ 537.2
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Total	Total