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Concentration of Credit and Other Risks (Details) - Customer Concentration Risk | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 25, 2021 | Sep. 26, 2020 | Sep. 25, 2021 | Sep. 26, 2020 | Dec. 26, 2020
Revenue from Contract with Customer Benchmark | Intel Corporation |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk percentage | 20.80% | 25.60% | 21.70% | 32.40% |
Revenue from Contract with Customer Benchmark | Samsung Electronics., LTD. |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk percentage | 12.90% | 10.60% | 10.50% |  |
Revenue from Contract with Customer Benchmark | Taiwan Semiconductor Manufacturing Co., LTD. |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk percentage |  | 10.60% |  |  |
Revenue from Contract with Customer Benchmark | Micron Technology, Inc. |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk percentage |  | 10.10% |  |  |
Revenue from Contract with Customer Benchmark | Customers Representing 10% or More of Total Revenues |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk percentage | 33.70% | 56.90% | 32.20% | 32.40% |
Accounts Receivable | Major Customer 1 |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk percentage |  |  | 19.30% |  | 15.30%
Accounts Receivable | Major Customer 2 |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk percentage |  |  |  |  | 13.70%

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