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Pension And Postretirement Plan Expenses (Tables)
3 Months Ended
Dec. 31, 2013
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Summary of Pension and Postretirement Plan Expenses
 
Three Months Ended December 31,
 
2012

 
2013

Service cost
$
26

 
24

Interest cost
56

 
62

Expected return on plan assets
(83
)
 
(86
)
Net amortization
58

 
36

Total
$
57

 
36