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Acquisitions - Schedule of Acquired Intangible Assets (Details) - USD ($) $ in Thousands | Jan. 29, 2021 | Jul. 04, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Goodwill |  | $ 1,286,617 | $ 1,251,938
OTN Systems N.V. |  |  |
Business Acquisition [Line Items] |  |  |
Total intangible assets subject to amortization | $ 39,930 |  |
Goodwill | 39,550 |  |
Total intangible assets | $ 79,480 |  |
Amortization Period | 8 years 6 months |  |
OTN Systems N.V. | Goodwill |  |  |
Business Acquisition [Line Items] |  |  |
Goodwill | $ 39,550 |  |
OTN Systems N.V. | Developed technologies |  |  |
Business Acquisition [Line Items] |  |  |
Total intangible assets subject to amortization | $ 26,400 |  |
Amortization Period | 6 years 9 months 18 days |  |
OTN Systems N.V. | Customer relationships |  |  |
Business Acquisition [Line Items] |  |  |
Total intangible assets subject to amortization | $ 6,200 |  |
Amortization Period | 15 years |  |
OTN Systems N.V. | Sales backlog |  |  |
Business Acquisition [Line Items] |  |  |
Total intangible assets subject to amortization | $ 3,600 |  |
Amortization Period | 5 years |  |
OTN Systems N.V. | Trademarks |  |  |
Business Acquisition [Line Items] |  |  |
Total intangible assets subject to amortization | $ 3,070 |  |
Amortization Period | 14 years 9 months 18 days |  |
OTN Systems N.V. | Non-compete agreements |  |  |
Business Acquisition [Line Items] |  |  |
Total intangible assets subject to amortization | $ 660 |  |
Amortization Period | 2 years |  |

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