Employee Benefit Plans (Balance Sheet Impact - After Adoption Of SFAS158) (Details) - USD ($) $ in Millions	Jun. 30, 2023	Jun. 30, 2022
Retirement Benefits [Abstract]
Noncurrent assets	$ 247.7	$ 148.5
Current liabilities	(5.6)	(5.3)
Noncurrent liabilities	(113.5)	(121.7)
Net amount recognized	$ 128.6	$ 21.5