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4. Goodwill and other Purchased Intangible Assets Intangible Assets, Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Feb. 15, 2017
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Gross | $ 493,100 | $ 493,100 | $ 509,000 |  |
Future Amortization Expense, Year One | 21,700 | 21,700 |  |  |
Future Amortization Expense, Year Two | 19,700 | 19,700 |  |  |
Future Amortization Expense, Year Three | 18,900 | 18,900 |  |  |
Future Amortization Expense, Year Four | 15,700 | 15,700 |  |  |
Future Amortization Expense, Year Five | 14,800 | 14,800 |  |  |
Finite-Lived Intangible Assets, Amortization Expense, after Year Five | 42,300 | 42,300 |  |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |  |  |
Accumulated Amortization | (360,000) | (360,000) | (334,900) |  |
Net Carrying Amount | 133,100 | 133,100 | 174,100 |  |
Amortization [Abstract] |  |  |  |  |
Amortization expense |  | 28,300 | 30,800 | $ 35,200 |
Impairment losses on goodwill and long-lived assets | 292,500 | 292,513 | 11,506 | $ 62,305 |
Intangible Assets, Net (Excluding Goodwill) | 133,123 | 133,123 | 174,113 |  |
Customer Relationships [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Gross | 88,700 | 88,700 | 92,300 |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |  |  |
Accumulated Amortization | (68,300) | (68,300) | (64,400) |  |
Net Carrying Amount | 20,400 | 20,400 | 27,900 |  |
Know how [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Gross | 190,600 | 190,600 | 194,900 |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |  |  |
Accumulated Amortization | (159,800) | (159,800) | (157,900) |  |
Net Carrying Amount | 30,800 | 30,800 | 37,000 |  |
Developed Technology Rights [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Gross | 130,400 | 130,400 | 133,300 |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |  |  |
Accumulated Amortization | (86,600) | (86,600) | (70,300) |  |
Net Carrying Amount | 43,800 | 43,800 | 63,000 |  |
Licensing Agreements [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Gross | 76,300 | 76,300 | 76,700 |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |  |  |
Accumulated Amortization | (40,900) | (40,900) | (36,000) |  |
Net Carrying Amount | 35,400 | 35,400 | 40,700 |  |
Trade Names [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Gross | 3,900 | 3,900 | 3,900 |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |  |  |
Accumulated Amortization | (3,300) | (3,300) | (3,000) |  |
Net Carrying Amount | 600 | 600 | 900 |  |
Noncompete Agreements [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Gross | 3,200 | 3,200 | 7,900 |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |  |  |
Accumulated Amortization | (1,100) | (1,100) | (3,300) |  |
Net Carrying Amount | $ 2,100 | $ 2,100 | $ 4,600 |  |
Minimum [Member] | Customer Relationships [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 1 year | 1 year |  |
Minimum [Member] | Know how [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 1 year | 1 year |  |
Minimum [Member] | Developed Technology Rights [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 1 year | 1 year |  |
Minimum [Member] | Licensing Agreements [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 7 years | 1 year |  |
Minimum [Member] | Trade Names [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 2 years | 1 year |  |
Minimum [Member] | Noncompete Agreements [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 7 years | 1 year |  |
Minimum [Member] | Other Intangible Assets [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 0 years | 0 years |  |
Maximum [Member] | Customer Relationships [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 6 years | 7 years |  |
Maximum [Member] | Know how [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 7 years | 8 years |  |
Maximum [Member] | Developed Technology Rights [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 10 years | 12 years |  |
Maximum [Member] | Licensing Agreements [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 11 years | 12 years |  |
Maximum [Member] | Trade Names [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 6 years | 6 years |  |
Maximum [Member] | Noncompete Agreements [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 7 years | 8 years |  |
Maximum [Member] | Other Intangible Assets [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Remaining Amortization Period |  | 0 years | 0 years |  |
RainDance Technologies, Inc. [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  | $ 37,600
RainDance Technologies, Inc. [Member] | Developed Technology Rights [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  | 1,000
RainDance Technologies, Inc. [Member] | Licensing Agreements [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  | 36,400
RainDance Technologies, Inc. [Member] | Trade Names [Member] |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  | $ 200
Life Science [Member] | CellSorter [Member] | Developed Technology Rights [Member] |  |  |  |  |
Amortization [Abstract] |  |  |  |  |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) |  | $ 8,800 |  |  |
Life Science [Member] | CellSorter [Member] | Noncompete Agreements [Member] |  |  |  |  |
Amortization [Abstract] |  |  |  |  |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) |  | $ 1,700 |  |  |

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