XML 61 R46.htm IDEA: XBRL DOCUMENT v3.6.0.2
Note G - Pension and Other Postretirement Benefits - Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Pension Plan [Member]      
Service cost $ 2,837 $ 3,064 $ 2,904
Interest cost 2,643 2,640 2,895
Expected return on plan assets (4,150) (4,060) (4,755)
Recognized actuarial loss 2,101 2,230 1,664
Settlement loss 3,783
Net periodic benefit cost 3,431 7,657 2,708
Net (gain) loss (2,952) 1,156 4,541
Total expense recognized in net periodic benefit cost and other comprehensive income 479 8,813 7,249
Net periodic benefit cost 3,431 7,657 2,708
Postretirement Plan [Member]      
Service cost 1,192 1,194 907
Interest cost 842 790 845
Recognized actuarial loss (699) (649) (1,181)
Net periodic benefit cost 1,335 1,335 571
Net (gain) loss 205 (529) 4,233
Total expense recognized in net periodic benefit cost and other comprehensive income 1,540 806 4,804
Net periodic benefit cost $ 1,335 $ 1,335 $ 571