Employee Benefit Plans (Components Of Net Pension (Income)/Expense) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Retirement Benefits [Abstract]
Service cost – benefits earned during the period	$ 1.3	$ 1.2	$ 4.1	$ 3.6
Interest cost on projected benefits	13.1	12.8	39.2	38.3
Expected return on plan assets	(32.0)	(30.4)	(95.9)	(91.1)
Net amortization and deferral	1.7	2.5	5.1	7.5
Settlement charges and special termination benefits	0.1	0.0	0.1	5.8
Net pension (income)/expense	$ (15.8)	$ (13.9)	$ (47.4)	$ (35.9)