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Goodwill and Other Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |  |  |
Intangible assets, Accumulated amortization | $ (178,803) |  | $ (178,803) |  | $ (167,616)
Intangible assets, Gross carrying amount | 608,699 |  | 608,699 |  | 582,556
Amortization expense | 5,700 | $ 5,200 | 11,200 | $ 10,300 |
Future amortization expense [Abstract] |  |  |  |  |
Remaining, 2018 | 11,946 |  | 11,946 |  |
2019 | 24,550 |  | 24,550 |  |
2020 | 24,567 |  | 24,567 |  |
2021 | 23,614 |  | 23,614 |  |
2022 | 22,139 |  | 22,139 |  |
2023 | 21,504 |  | 21,504 |  |
Expense |  |  |  |  |
Future amortization expense [Abstract] |  |  |  |  |
Remaining, 2018 | 8,946 |  | 8,946 |  |
2019 | 18,550 |  | 18,550 |  |
2020 | 18,567 |  | 18,567 |  |
2021 | 17,614 |  | 17,614 |  |
2022 | 16,139 |  | 16,139 |  |
2023 | 15,504 |  | 15,504 |  |
Reduction of Revenue |  |  |  |  |
Future amortization expense [Abstract] |  |  |  |  |
Remaining, 2018 | 3,000 |  | 3,000 |  |
2019 | 6,000 |  | 6,000 |  |
2020 | 6,000 |  | 6,000 |  |
2021 | 6,000 |  | 6,000 |  |
2022 | 6,000 |  | 6,000 |  |
2023 | 6,000 |  | 6,000 |  |
Trademarks and Tradenames |  |  |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |  |  |
Unamortized intangible assets, Gross carrying amount | 86,544 |  | 86,544 |  | 86,544
Customer and Distributor Relationships [Member] |  |  |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |  |  |
Amortized intangible assets, Gross carrying amount | 214,616 |  | 214,616 |  | 214,685
Intangible assets, Accumulated amortization | (91,634) |  | (91,634) |  | (86,137)
Promotional, Marketing and Distribution Rights [Member] |  |  |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |  |  |
Amortized intangible assets, Gross carrying amount | 149,376 |  | 149,376 |  | 149,376
Intangible assets, Accumulated amortization | (39,000) |  | $ (39,000) |  | (36,000)
Weighted average amortization period (in years) |  |  | 25 years |  |
Patents and Other Intangible Assets [Member] |  |  |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |  |  |
Amortized intangible assets, Gross carrying amount | 70,031 |  | $ 70,031 |  | 69,668
Intangible assets, Accumulated amortization | (43,177) |  | (43,177) |  | (42,127)
Technology-Based Intangible Assets [Member] |  |  |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |  |  |
Amortized intangible assets, Gross carrying amount | 88,132 |  | 88,132 |  | 62,283
Intangible assets, Accumulated amortization | $ (4,992) |  | (4,992) |  | $ (3,352)
Finite-lived intangible assets acquired |  |  | $ 25,800 |  |
Weighted average amortization period (in years) |  |  | 14 years |  |
Weighted Average |  |  |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |  |  |
Finite-lived intangible asset useful life (in years) |  |  | 24 years |  |
Weighted Average | Customer and Distributor Relationships [Member] |  |  |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |  |  |
Finite-lived intangible asset useful life (in years) |  |  | 29 years |  |
Weighted Average | Promotional, Marketing and Distribution Rights [Member] |  |  |  |  |
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 [Member] |  |  |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |  |  |
Finite-lived intangible asset useful life (in years) |  |  | 14 years |  |
Weighted Average | Technology-Based Intangible Assets [Member] |  |  |  |  |
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items] |  |  |  |  |
Finite-lived intangible asset useful life (in years) |  |  | 16 years |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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