Income Taxes (Reconciliation Of Effective Tax Rate And Federal Statutory Rate) (Details)	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Income Taxes
Statutory rate	35.00%	35.00%	35.00%
State and local income taxes	1.90%	1.50%	2.10%
ESOP dividend deduction	(0.20%)	(0.10%)	(0.20%)
Domestic manufacturing deduction	(2.50%)	(1.90%)	(1.80%)
Other	(0.10%)	(0.10%)	(0.10%)
Effective rate	34.10%	34.40%	35.00%