XML 56 R23.htm IDEA: XBRL DOCUMENT v2.4.0.8
Components of Net Periodic Benefit Cost (Tables)
 6 Months Ended
Jun. 30, 2014
Compensation and Retirement Disclosure [Abstract]  
Net Periodic Benefit Cost (Increase)
Net periodic benefit (increase) cost for pension benefits and other post-retirement benefits for the three and six months ended June 30, 2014 and 2013 includes the following components (in thousands):
 

Three months ended June 30,

Six months ended June 30,
 

Pension
benefits

Other post-
retirement
benefits

Pension
benefits

Other post-
retirement
benefits
 

2014

2013

2014

2013

2014

2013

2014

2013
Service cost

$
—

 
—

 
42

 
60

 
$
—

 
—

 
84

 
120

Interest cost

352

 
318

 
272

 
245

 
704

 
636

 
544

 
490

Expected return on plan assets

(894
)
 
(792
)
 
—

 
—

 
(1,788
)
 
(1,584
)
 
—

 
—

Amortization of prior service cost

—

 
—

 
(1
)
 
(1
)
 
—

 
—

 
(2
)
 
(2
)
Amortization of the net loss

93

 
338

 
(51
)
 
4

 
186

 
676

 
(102
)
 
8

Net periodic benefit (increase) cost

$
(449
)
 
(136
)
 
262

 
308

 
$
(898
)
 
(272
)
 
524

 
616