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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 25, 2021
Accounting Policies [Abstract] |
Estimated Useful Lives by Major Asset | Estimated useful lives by major asset category are as follows:
Buildings and building improvements |  | 10 to 39 years
Machinery, equipment and tooling |  | 3 to 7 years
Software and computer equipment |  | 3 to 10 years
Furniture, fixtures and leasehold improvements |  | 7 to 39 years

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