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Other Income (Expense) (Tables)	12 Months Ended
Other Income (Expense) (Tables)	Dec. 31, 2020
Other Income and Expenses [Abstract]
Schedule of other expense, net [Table Text Block]	2020 2019 2018 Income from third party license fees $ 999 $ 1,035 $ 862 Foreign exchange (losses) gains, net (6,082) 223 (807) (Loss) gain on fixed asset disposals, net (871) 58 657 Non-income tax refunds and other related credits 3,345 1,118 668 Pension and postretirement benefit costs, non-service components (21,592) (2,805) (2,285) Gain on changes in insurance settlement restrictions of an inactive subsidiary and related insurance insolvency recovery 18,144 60 90 Other non-operating income, net 439 57 173 Total other expense, net $ (5,618) $ (254) $ (642)