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Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands | Jun. 28, 2020 | Jun. 30, 2019
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Finite-Lived Intangible Assets [Line Items] |  |
Gross | $ 1,397,471 | $ 1,425,799
Accumulated Amortization | (1,228,939) | (1,208,849)
Net | 168,532 | 216,950
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 630,137 | 630,165
Accumulated Amortization | (532,550) | (483,204)
Net | 97,587 | 146,961
Existing technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 668,992 | 669,399
Accumulated Amortization | (654,382) | (647,837)
Net | 14,610 | 21,562
Patents and other intangible assets |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross | 98,342 | 126,235
Accumulated Amortization | (42,007) | (77,808)
Net | $ 56,335 | $ 48,427

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