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Details of Selected Balance Sheet Accounts - Other Intangible Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 301,299 | $ 300,813
Accumulated Amortization | 120,660 | 115,064
Net Carrying Amount | 180,639 | 185,749
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 168,276 | 168,284
Accumulated Amortization | 69,509 | 66,734
Net Carrying Amount | 98,767 | 101,550
Patents/Technology/Know-how |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 78,815 | 78,821
Accumulated Amortization | 34,679 | 33,151
Net Carrying Amount | 44,136 | 45,670
Tradenames and other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 53,682 | 53,708
Accumulated Amortization | 15,946 | 15,179
Net Carrying Amount | $ 37,736 | $ 38,529

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