Employee Benefit Plans (Pension Plans Asset Allocations By Asset Category) (Details)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Defined Benefit Plan Disclosure [Line Items]
Pension plan asset allocation rate	100.00%	100.00%
United States Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan asset allocation rate	41.00%	38.00%
United States Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan asset allocation rate	41.00%	41.00%
International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension plan asset allocation rate	18.00%	21.00%