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Pension And Other Post-Retirement Benefits (Tables)
 9 Months Ended
Sep. 30, 2016
Compensation and Retirement Disclosure [Abstract]  
Schedule Of Components Of Net Periodic Benefit Cost For Pension And Other Post-Retirement Benefit Programs
The components of net periodic benefit cost for the pension and other post-retirement benefit programs reflected in consolidated results are shown below:
 
Pension Benefits
 
Other Post-Retirement Benefits
 
Three Months Ended September 30,
 
Three Months Ended September 30,
(In Thousands)
2016
 
2015
 
2016
 
2015
Service cost
$
54

 
$
110

 
$
8

 
$
9

Interest cost
3,263

 
3,288

 
67

 
77

Expected return on plan assets
(4,070
)
 
(4,413
)
 
—

 
—

Amortization of prior service costs, gains or losses and net transition asset
3,135

 
4,094

 
(49
)
 
(65
)
Net periodic benefit cost
$
2,382

 
$
3,079

 
$
26

 
$
21

 
Pension Benefits
 
Other Post-Retirement Benefits
 
Nine Months Ended September 30,
 
Nine Months Ended September 30,
 
2016
 
2015
 
2016
 
2015
Service cost
$
178

 
$
398

 
$
29

 
$
33

Interest cost
9,993

 
9,913

 
236

 
244

Expected return on plan assets
(12,027
)
 
(13,227
)
 
—

 
—

Amortization of prior service costs, (gains) losses and net transition asset
9,903

 
12,142

 
(144
)
 
(145
)
Net periodic benefit cost
$
8,047

 
$
9,226

 
$
121

 
$
132