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Goodwill and Intangible Assets - Schedule of Intangible Assets, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 26, 2020 | Dec. 25, 2020 | Mar. 27, 2020
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross |  | $ 56,037 | $ 36,867
Accumulated Amortization |  | 19,617 | 16,909
Net Carrying Amount |  | 36,420 | 19,958
Patents |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross |  | 31,852 | 29,115
Accumulated Amortization |  | 11,661 | 9,834
Net Carrying Amount |  | $ 20,191 | 19,281
Weighted- Average Lives | 10 years | 10 years |
Customer relationships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross |  | $ 6,193 | 5,462
Accumulated Amortization |  | 5,823 | 5,335
Net Carrying Amount |  | $ 370 | 127
Weighted- Average Lives | 9 years | 9 years |
Process technology |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross |  | $ 17,150 | 1,650
Accumulated Amortization |  | 2,028 | 1,650
Net Carrying Amount |  | $ 15,122 | 0
Weighted- Average Lives |  | 12 years |
Trademarks |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross |  | $ 810 | 608
Accumulated Amortization |  | 73 | 58
Net Carrying Amount |  | $ 737 | 550
Weighted- Average Lives |  | 5 years |
Other |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross |  | $ 32 | 32
Accumulated Amortization |  | 32 | 32
Net Carrying Amount |  | $ 0 | $ 0

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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