XML 34 R24.htm IDEA: XBRL DOCUMENT v3.3.0.814
Postretirement Benefits (Tables)
 3 Months Ended
Sep. 30, 2015
Postretirement Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Components Of Net Periodic Benefit Cost
The following table summarizes the components of net periodic benefit cost for our postretirement plans:
 
Three Months Ended 
 September 30,
 
2015
 
2014
Components of net periodic benefit cost
 
 
 
Service cost
$
7

 
$
8

Interest cost
30

 
27

Amortization of unrecognized net gain
(4
)
 
(7
)
Amortization of prior service asset
(1
)
 
(1
)
Net periodic benefit cost
$
32

 
$
27