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Pension Benefits (Tables)
 3 Months Ended
Sep. 30, 2015
Pension Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Components Of Net Periodic Benefit Income
The following table summarizes the components of net periodic benefit income for our pension plans:
 
Three Months Ended 
 September 30,
 
2015
 
2014
Components of net periodic benefit income
 
 
 
Interest cost
$
421

 
$
403

Expected return on plan assets
(630
)
 
(658
)
Amortization of unrecognized net loss
135

 
107

Net periodic benefit income
$
(74
)
 
$
(148
)