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Goodwill and Other Intangible Assets (Changes in Intangible Assets) (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2011
--- | --- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, Ending Gross Amount | $ 291,443 | $ 286,739 |
Finite-lived intangible assets, Accumulated Amortization | (249,318) | (233,391) |
Indefinite-lived intangible assets, Ending Gross Amount | 81,824 | 82,640 |
Indefinite-lived intangible assets, Accumulated Amortization | $ (1,701) | (1,485) |
Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful Life (Years) | 4 years |  |
Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful Life (Years) | 40 years |  |
Engineering drawings |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, Ending Gross Amount | $ 92,105 | 88,830 |
Finite-lived intangible assets, Accumulated Amortization | $ (91,808) | (88,256) |
Engineering drawings | Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful Life (Years) | 10 years |  |
Engineering drawings | Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful Life (Years) | 22 years |  |
Existing customer relationships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful Life (Years) |  |  | 5 years
Finite-lived intangible assets, Ending Gross Amount | $ 80,643 | 79,472 |
Finite-lived intangible assets, Accumulated Amortization | $ (76,121) | (70,015) |
Existing customer relationships | Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful Life (Years) | 5 years |  |
Existing customer relationships | Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful Life (Years) | 10 years |  |
Patents |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, Ending Gross Amount | $ 26,388 | 25,639 |
Finite-lived intangible assets, Accumulated Amortization | $ (26,388) | (25,639) |
Patents | Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful Life (Years) | 9 years |  |
Patents | Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful Life (Years) | 16 years |  |
Other |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-lived intangible assets, Ending Gross Amount | $ 92,307 | 92,798 |
Finite-lived intangible assets, Accumulated Amortization | $ (55,001) | $ (49,481) |
Other | Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful Life (Years) | 4 years |  |
Other | Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Useful Life (Years) | 40 years |  |

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