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Note G - Expected Future Benefit Payments (Details)
$ in Thousands
Dec. 31, 2015
USD ($)
Pension Plan [Member]  
2016 $ 5,524
2017 7,498
2018 7,544
2019 6,055
2020 7,205
Thereafter 29,274
Postretirement Plan [Member]  
2016 1,678
2017 1,677
2018 1,651
2019 1,656
2020 1,666
Thereafter $ 8,757