Acquisitions - Schedule of Acquired Intangible Assets (Details) - USD ($) $ in Thousands	Feb. 08, 2018	May 31, 2017
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