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Defined Benefit Retirement Plan
3 Months Ended
Sep. 30, 2012
Defined Benefit Retirement Plan [Abstract]  
Schedule of Costs of Retirement Plans [Table Text Block]
(5)Defined Benefit Retirement Plan

Net periodic benefit cost for our trusteed, noncontributory defined benefit retirement plan for the periods ended September 30 include the following:
 
 
 
Three Months Ended
 
 
 
 
September 30,
 
 
($000)
 
2012
 
2011
 
 
 
 
 
 
 
 
 
Service cost
 
279
 
231
 
 
Interest cost
 
228
 
230
 
 
Expected return on plan assets
 
(394
)
(369
)
 
Amortization of unrecognized net loss
 
153
 
50
 
 
Amortization of prior service cost
 
(21
)
(22
)
 
Net periodic benefit cost
 
245
 
120