Employee Benefits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Components of net pension expense for all plans
Interest cost	$ 73	$ 74
Weighted -average assumptions:
Discount rate	6.50%	6.50%	6.50%
Expected return on plan assets	4.00%	4.00%	4.00%
Rate of compensation increase	0.00%	0.00%	0.00%
Pension Plans, Defined Benefit [Member]
Components of net pension expense for all plans
Service cost	0	0	0
Interest cost	74	73	72
Expected return on assets	41	43	45
Amortization of prior service cost	55	53	44
Net pension expense	$ 88	$ 83	71