Employee Benefit Plans (Principal Assumptions In Developing Net Periodic Pension Cost) (Details)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate (as a percent)	5.50%	5.20%
Expected return on plan assets (as a percent)	7.10%	7.10%
Rate of compensation increase (as a percent)	3.90%	3.90%
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate (as a percent)	5.50%	5.40%