Acquired Intangible Assets and Goodwill - Additional Information (Detail) - USD ($) |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Sep. 25, 2021 |
Sep. 25, 2020 |
Sep. 25, 2021 |
Sep. 25, 2020 |
Dec. 26, 2020 |
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| Goodwill and Intangible Assets Disclosure [Abstract] | |||||
| Intangible assets gross, foreign currency translation gain loss | $ 369,000 | $ 997,000 | |||
| Intangible Amortization | $ 8,229,000 | $ 6,892,000 | $ 21,852,000 | $ 20,287,000 | |
| X | ||||||||||
- Definition Amortization expense. No definition available.
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| X | ||||||||||
- Definition Intangible assets gross foreign currency translation gain loss. No definition available.
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| X | ||||||||||
- References No definition available.
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