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Other Assets (Tables)	12 Months Ended
Other Assets (Tables)	Dec. 31, 2020
Other Assets [Abstract]
Schedule of Other Assets, Noncurrent [Table Text Block]	2020 2019 Uncertain tax positions $ 7,209 $ 4,993 Pension assets 6,748 — Debt issuance costs 5,919 7,571 Indemnification assets 7,615 4,006 Supplemental retirement income program 1,961 1,782 Restricted insurance settlement — 19,678 Other 2,344 2,403 Total other assets $ 31,796 $ 40,433