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Pension Plans (Tables)
3 Months Ended
Sep. 30, 2012
Pension Plans [Abstract]  
Components of net periodic pension expense
The components of net periodic pension expense for the Company's defined benefit pension plans are as follows:
 
    
Three Months Ended
    
September 30,
    
2012
 
2011
Interest cost
$
810
 
386
Service cost
 
609
 
26
Expected return on plan assets
 
(630)
 
(456)
Amortization of net loss
 
437
 
151
 
Net periodic pension expense
$
1,226
 
107