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Other Income (Expense) (Tables)	3 Months Ended
Other Income (Expense) (Tables)	Mar. 31, 2021
Other Income And Expenses [Abstract]
Schedule Of Other Nonoperating Income (Expense) [Table Text Block]	Three Months Ended March 31, 2021 2020 Income from third party license fees $ 339 $ 304 Foreign exchange (losses) gains, net (1,478) 821 Gain on disposals of property, plant, equipment and other assets, net 5,410 2 Non-income tax refunds and other related credits 97 1,299 Pension and postretirement benefit costs, non-service components 124 (23,525) Other non-operating income (expense), net 195 (76) Total other income (expense), net $ 4,687 $ (21,175)