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Pension And Other Post-Retirement Benefits (Tables)
 6 Months Ended
Jun. 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 our pension and other post-retirement benefit programs reflected in consolidated results are shown below:
 
Pension Benefits
 
Other Post-Retirement Benefits
 
Three Months Ended June 30,
 
Three Months Ended June 30,
(In Thousands)
2016
 
2015
 
2016
 
2015
Service cost
$
52

 
$
144

 
$
10

 
$
12

Interest cost
3,365

 
3,313

 
84

 
83

Expected return on plan assets
(3,979
)
 
(4,407
)
 
—

 
—

Amortization of prior service costs, gains or losses and net transition asset
3,384

 
4,024

 
(47
)
 
(40
)
Net periodic benefit cost
$
2,822

 
$
3,074

 
$
47

 
$
55

 
Pension Benefits
 
Other Post-Retirement Benefits
 
Six Months Ended June 30,
 
Six Months Ended June 30,
 
2016
 
2015
 
2016
 
2015
Service cost
$
124

 
$
288

 
$
21

 
$
24

Interest cost
6,730

 
6,625

 
169

 
167

Expected return on plan assets
(7,957
)
 
(8,814
)
 
—

 
—

Amortization of prior service costs, (gains) losses and net transition asset
6,768

 
8,048

 
(95
)
 
(80
)
Net periodic benefit cost
$
5,665

 
$
6,147

 
$
95

 
$
111