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401(k) Plan (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 27, 2024	Dec. 29, 2023	Dec. 30, 2022
Retirement Benefits [Abstract]
Percentage of pre-tax annual compensation contributed to the plan	15.00%
Percentage of matching contributions of employee	40.00%
Percentage of matching contributions of employee's gross salary	6.00%
Company's matching contributions	$ 0.7	$ 0.8	$ 0.9

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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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