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Acquisitions - Schedule of Acquired Intangible Assets (Details) - USD ($) $ in Thousands | Feb. 08, 2018 | May 31, 2017
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Snell Advanced Media |  |
Business Acquisition [Line Items] |  |
Total intangible assets subject to amortization | $ 44,750 |
Total intangible assets not subject to amortization | 92,263 |
Total intangible assets | $ 137,013 |
Amortization Period | 6 years 1 month 6 days |
Snell Advanced Media | Goodwill |  |
Business Acquisition [Line Items] |  |
Total intangible assets not subject to amortization | $ 92,263 |
Snell Advanced Media | Developed technologies |  |
Business Acquisition [Line Items] |  |
Total intangible assets subject to amortization | $ 32,500 |
Amortization Period | 5 years |
Snell Advanced Media | Customer relationships |  |
Business Acquisition [Line Items] |  |
Total intangible assets subject to amortization | $ 9,000 |
Amortization Period | 12 years |
Snell Advanced Media | Sales backlog |  |
Business Acquisition [Line Items] |  |
Total intangible assets subject to amortization | $ 1,750 |
Amortization Period | 3 months 18 days |
Snell Advanced Media | Trademarks |  |
Business Acquisition [Line Items] |  |
Total intangible assets subject to amortization | $ 1,500 |
Amortization Period | 2 years |
Thinklogical Holdings LLC |  |
Business Acquisition [Line Items] |  |
Total intangible assets subject to amortization |  | $ 73,400
Total intangible assets not subject to amortization |  | 71,252
Total intangible assets |  | $ 144,652
Amortization Period |  | 9 years 7 months 6 days
Thinklogical Holdings LLC | Goodwill |  |
Business Acquisition [Line Items] |  |
Total intangible assets not subject to amortization |  | $ 71,252
Thinklogical Holdings LLC | Developed technologies |  |
Business Acquisition [Line Items] |  |
Total intangible assets subject to amortization |  | $ 62,600
Amortization Period |  | 10 years
Thinklogical Holdings LLC | Customer relationships |  |
Business Acquisition [Line Items] |  |
Total intangible assets subject to amortization |  | $ 6,500
Amortization Period |  | 8 years
Thinklogical Holdings LLC | Sales backlog |  |
Business Acquisition [Line Items] |  |
Total intangible assets subject to amortization |  | $ 1,400
Amortization Period |  | 3 months 19 days
Thinklogical Holdings LLC | Trademarks |  |
Business Acquisition [Line Items] |  |
Total intangible assets subject to amortization |  | $ 2,900
Amortization Period |  | 10 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 assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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