Pension and Postretirement Benefit Plans (Plan Assets, Schedule of Allocations by Asset Category) (Details) (Pension Plans [Member])	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Defined Benefit Plan Disclosure [Line Items]
Target plan assets allocation	100.00%	100.00%
Actual plan assets allocation	100.00%		100.00%
Domestic Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan assets allocation	35.00%	35.00%
Actual plan assets allocation	36.00%		34.00%
Fixed Income Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan assets allocation	30.00%	30.00%
Actual plan assets allocation	27.00%		28.00%
International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan assets allocation	25.00%	25.00%
Actual plan assets allocation	26.00%		27.00%
Global Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target plan assets allocation	10.00%	10.00%
Actual plan assets allocation	11.00%		11.00%