Acquisitions - Schedule of Acquired Intangible Assets (Details) - USD ($) $ in Thousands	Apr. 15, 2019	Sep. 27, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Goodwill		$ 1,247,432	$ 1,243,669
Opterna International Corp.
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 28,000
Goodwill	35,057
Total intangible assets	$ 63,057
Amortization Period	12 years 10 months 24 days
Opterna International Corp. | Goodwill
Business Acquisition [Line Items]
Goodwill	$ 35,057
Opterna International Corp. | Developed technologies
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 3,400
Amortization Period	5 years
Opterna International Corp. | Customer relationships
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 22,800
Amortization Period	15 years
Opterna International Corp. | Sales backlog
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 1,300
Amortization Period	6 months
Opterna International Corp. | Trademarks
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 500
Amortization Period	2 years