Income Taxes (Reconciliation Of The Effective Income Tax Rate) (Details)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Income Taxes [Abstract]
Statutory rate	35.00%	35.00%	35.00%
State and local income taxes	2.00%	1.90%	1.50%
ESOP dividend deduction	(0.20%)	(0.20%)	(0.10%)
Domestic manufacturing deduction	(2.50%)	(2.50%)	(1.90%)
Other	0.10%	(0.10%)	(0.10%)
Effective rate	34.40%	34.10%	34.40%