Employee Benefit Plans (Components Of Net Pension Expense) (Details) $ in Millions		3 Months Ended		9 Months Ended
	Mar. 01, 2018 employee	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)
Compensation and Retirement Disclosure [Abstract]
Service cost – benefits earned during the period		$ 18.7	$ 20.2	$ 55.9	$ 60.6
Interest cost on projected benefits		16.4	14.9	49.0	45.0
Expected return on plan assets		(34.4)	(33.9)	(103.0)	(101.9)
Net amortization and deferral		2.1	4.8	6.3	14.4
Net pension expense		2.8	$ 6.0	$ 8.2	$ 18.1
Special termination benefits		$ 300.0
Voluntary early retirement program, minimum age requirement	55 years
Voluntary early retirement program, minimum period of service required	10 years
Voluntary early retirement program, number of eligible associates | employee	3,500
Voluntary early retirement program, percent of eligible associate from total workforce	6.00%
Voluntary early retirement program, period of health care coverage following retirement	24 months