Employee Benefit Plans (Pension Plan Asset Allocation by Asset Category) (Details)	Jun. 30, 2015	Jun. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Pension plans' asset allocations	100.00%	100.00%
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plans' asset allocations	9.00%	0.00%
United States Fixed Income Securities
Defined Benefit Plan Disclosure [Line Items]
Pension plans' asset allocations	33.00%	33.00%
United States Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plans' asset allocations	17.00%	20.00%
International Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plans' asset allocations	19.00%	21.00%
Global Equity Securities [Domain]
Defined Benefit Plan Disclosure [Line Items]
Pension plans' asset allocations	22.00%	26.00%