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Goodwill and Other Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Intangible assets, Accumulated amortization | $ (231,443) |  | $ (222,938)
Intangible assets, Gross carrying amount | 756,465 |  | 755,738
Amortization expense | 8,500 | $ 7,400 |
Future amortization expense [Abstract] |  |  |
Remaining, 2020 | 25,555 |  |
2021 | 33,453 |  |
2022 | 32,299 |  |
2023 | 31,443 |  |
2024 | 30,705 |  |
2025 | 30,957 |  |
Amortization included in expense |  |  |
Future amortization expense [Abstract] |  |  |
Remaining, 2020 | 21,055 |  |
2021 | 27,453 |  |
2022 | 26,299 |  |
2023 | 25,443 |  |
2024 | 24,705 |  |
2025 | 24,957 |  |
Amortization recorded as a reduction of revenue |  |  |
Future amortization expense [Abstract] |  |  |
Remaining, 2020 | 4,500 |  |
2021 | 6,000 |  |
2022 | 6,000 |  |
2023 | 6,000 |  |
2024 | 6,000 |  |
2025 | 6,000 |  |
Trademarks & tradenames |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Unamortized intangible assets, Gross carrying amount | 86,544 |  | 86,544
Customer and distributor relationships |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Amortized intangible assets, Gross carrying amount | 342,359 |  | 342,568
Intangible assets, Accumulated amortization | (120,072) |  | (115,311)
Sales representation, marketing and promotional rights |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Amortized intangible assets, Gross carrying amount | 149,376 |  | 149,376
Intangible assets, Accumulated amortization | (49,500) |  | (48,000)
Patents and other intangible assets |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Amortized intangible assets, Gross carrying amount | 71,582 |  | 70,646
Intangible assets, Accumulated amortization | (47,066) |  | (46,456)
Developed technology |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Amortized intangible assets, Gross carrying amount | 106,604 |  | 106,604
Intangible assets, Accumulated amortization | (14,805) |  | $ (13,171)
Asset acquisition, contingent consideration liability | $ 6,400 |  |
Weighted Average |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Finite-lived intangible asset useful life (in years) | 22 years |  |
Weighted Average | Customer and distributor relationships |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Finite-lived intangible asset useful life (in years) | 24 years |  |
Weighted Average | Sales representation, marketing and promotional rights |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Finite-lived intangible asset useful life (in years) | 25 years |  |
Weighted Average | Patents and other intangible assets |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Finite-lived intangible asset useful life (in years) | 15 years |  |
Weighted Average | Developed technology |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |
Finite-lived intangible asset useful life (in years) | 16 years |  |

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