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Pension Plan (Tables)
9 Months Ended
Sep. 30, 2016
Compensation and Retirement Disclosure [Abstract]  
Schedule of Net Benefit Costs [Table Text Block]
 

 

Three months ended

September 30

 

 

Nine months ended

September 30

In thousands

 

2016

 

 

2015

 

 

2016

 

 

2015

Interest cost

$

124

 

$

144

 

$

365

 

$

432

Expected return on plan assets

 

(168)

   

(169)

   

(504)

   

(507)

Amortization of net actuarial loss

 

53

 

 

140

 

 

149

 

 

420

Net periodic pension cost

$

9

 

$

115

 

$

10

 

$

345