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Goodwill and Other Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Intangible assets, gross carrying amount | $ 603,935 | $ 582,556 |
Intangible assets, accumulated amortization | (190,742) | (167,616) |
Amortization of Intangible Assets | 23,200 | 21,300 | $ 20,000
Payments for Contingent Consideration Related to Asset Acquisition | 21,323 | 0 | $ 0
Future amortization expense [Abstract] |  |  |
2019 | 23,978 |  |
2020 | 23,995 |  |
2021 | 23,042 |  |
2022 | 21,583 |  |
2023 | 20,879 |  |
Trademarks and Trade Names [Member] |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Unamortized intangible assets, gross carrying amount | 86,544 | 86,544 |
Customer Relationships [Member] |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Amortized intangible assets, gross carrying amount | 214,577 | 214,685 |
Intangible assets, accumulated amortization | (97,131) | (86,137) |
Sales representation, marketing and promotional rights [Member] |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Amortized intangible assets, gross carrying amount | 149,376 | 149,376 |
Intangible assets, accumulated amortization | (42,000) | (36,000) |
Patents and Other Intangible Assets [Member] |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Amortized intangible assets, gross carrying amount | 61,473 | 69,668 |
Intangible assets, accumulated amortization | (44,242) | (42,127) |
Technology-Based Intangible Assets [Member] |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Amortized intangible assets, gross carrying amount | 91,965 | 62,283 |
Intangible assets, accumulated amortization | (7,369) | $ (3,352) |
Payments for Contingent Consideration Related to Asset Acquisition | 21,300 |  |
Finite-lived Intangible Assets Acquired | $ 8,400 |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 15 years |  |
In Process Research and Development [Member] |  |  |
Future amortization expense [Abstract] |  |  |
Impairment of Intangible Assets, Finite-lived | $ 9,500 |  |
Expense [Member] |  |  |
Future amortization expense [Abstract] |  |  |
2019 | 17,978 |  |
2020 | 17,995 |  |
2021 | 17,042 |  |
2022 | 15,583 |  |
2023 | 14,879 |  |
Reduction of Revenue [Member] |  |  |
Future amortization expense [Abstract] |  |  |
2019 | 6,000 |  |
2020 | 6,000 |  |
2021 | 6,000 |  |
2022 | 6,000 |  |
2023 | $ 6,000 |  |
Weighted Average [Member] |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 24 years |  |
Weighted Average [Member] | Customer Relationships [Member] |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 29 years |  |
Weighted Average [Member] | Sales representation, marketing and promotional rights [Member] |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 25 years |  |
Weighted Average [Member] | Patents and Other Intangible Assets [Member] |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 14 years |  |
Weighted Average [Member] | Technology-Based Intangible Assets [Member] |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Finite-Lived Intangible Asset, Useful Life | 16 years |  |

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