XML 81 R34.htm IDEA: XBRL DOCUMENT v2.4.0.8
Pension Benefits (Tables)
9 Months Ended
Sep. 30, 2014
Pension Benefits [Abstract]  
Net Periodic Pension Cost
                 
 

Three months ended September 30,

 

Nine months ended September 30,

  2014   2013   2014   2013
Components of net periodic benefit cost                                
Service cost   $ 430     $ 453     $ 1,290     $ 1,359  
Interest cost     331       291       993       873  
Expected return on plan assets     (498 )     (440 )     (1,494 )     (1,320 )
Amortization of prior year service cost     (5 )     (5 )     (15 )     (15 )
Amortization of transition asset           (2 )           (6 )
Recognized net actuarial loss     272       341       816       1,023  
Net periodic pension cost   $ 530     $ 638     $ 1,590     $ 1,914