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Business Acquisitions (Schedule of Intangible Assets Acquired) (Details) - USD ($) $ in Thousands | Aug. 21, 2018 | Aug. 11, 2017
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Blue Microphones Holding Corporation |  |
Business Acquisition [Line Items] |  |
Fair Value | $ 55,567 |
Estimated Useful Life (years) | 7 years 8 months 12 days |
Astro Gaming |  |
Business Acquisition [Line Items] |  |
Fair Value |  | $ 52,520
Estimated Useful Life (years) |  | 6 years 9 months 18 days
Developed technology | Blue Microphones Holding Corporation |  |
Business Acquisition [Line Items] |  |
Fair Value | $ 17,967 |
Estimated Useful Life (years) | 5 years |
Developed technology | Astro Gaming |  |
Business Acquisition [Line Items] |  |
Fair Value |  | $ 12,540
Estimated Useful Life (years) |  | 4 years
Customer relationships | Blue Microphones Holding Corporation |  |
Business Acquisition [Line Items] |  |
Fair Value | $ 25,100 |
Estimated Useful Life (years) | 10 years |
Customer relationships | Astro Gaming |  |
Business Acquisition [Line Items] |  |
Fair Value |  | $ 33,100
Estimated Useful Life (years) |  | 8 years
Trademark and trade name | Blue Microphones Holding Corporation |  |
Business Acquisition [Line Items] |  |
Fair Value | $ 12,500 |
Estimated Useful Life (years) | 7 years |
Trademark and trade name | Astro Gaming |  |
Business Acquisition [Line Items] |  |
Fair Value |  | $ 6,880
Estimated Useful Life (years) |  | 6 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://fasb.org/us-gaap/role/ref/legacyRef -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 The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=108330185&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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