Pensions and Other Postretirement Benefits, (Schedule of Assumptions) (Details)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Assumptions used to determine benefit obligations [Abstract]
Discount rate (in hundredths)	2.13%	2.65%
Expected return on plan assets (in hundredths)	2.50%	3.50%
Compensation increase rate (in hundredths)	0.00%	0.00%
Assumptions used to determine net periodic benefit cost [Abstract]
Discount rate (in hundredths)	2.65%	3.43%	4.00%
Expected return on plan assets (in hundredths)	3.50%	3.00%	3.50%
Compensation increase rate (in hundredths)	0.00%	0.00%	0.00%