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Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |
Total Cost | $ 293,010 | $ 284,112
Total Foreign Currency Translation | (18,355) | (9,529)
Finite Life |  |
Accumulated amortization | (137,707) | (124,843)
Total Book Value | 136,948 | 149,740
Trade Names |  |
Indefinite Life |  |
Cost | 62,633 | 62,633
Indefinite-lived Intangible Assets, Foreign Currency Translation Gain (Loss) | (4,522) | (1,112)
Book value | 58,111 | 61,521
Customer Relationships |  |
Finite Life |  |
Cost | 202,103 | 194,505
Accumulated amortization | (119,529) | (108,657)
Foreign currency translation | (12,791) | (7,710)
Book value | $ 69,783 | $ 78,138
Weighted average life in years | 13 years | 13 years
Patents and Proprietary Technology |  |
Finite Life |  |
Cost | $ 26,574 | $ 26,074
Accumulated amortization | (17,519) | (15,734)
Foreign currency translation | (1,042) | (707)
Book value | $ 8,013 | $ 9,633
Weighted average life in years | 10 years | 10 years
Trademarks, Trade Names and Other |  |
Finite Life |  |
Cost | $ 1,700 | $ 900
Accumulated amortization | (659) | (452)
Foreign currency translation | 0 | 0
Book value | $ 1,041 | $ 448
Weighted average life in years | 5 years | 5 years

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