Quarterly Financial Information (Unaudited Supplemental Quarterly Financial Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
Dec. 27, 2024	Sep. 27, 2024	Jun. 28, 2024	Mar. 29, 2024	Dec. 29, 2023	Sep. 29, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 27, 2024	Dec. 29, 2023	Dec. 30, 2022
Total revenue	$ 79,235	$ 79,777	$ 77,656	$ 77,187	$ 72,403	$ 75,856	$ 77,102	$ 71,229	$ 313,855	$ 296,590	$ 293,742
Operating income	7,747	12,800	12,516	11,525	11,477	13,743	12,790	11,252	44,588	49,262	55,248
Income from continuing operations before income taxes	7,505	12,432	12,004	11,053	10,836	12,929	11,869	10,393	42,994	46,027	55,104
Net income	$ 3,564	$ 8,587	$ 8,748	$ 8,731	$ 7,850	$ 9,420	$ 8,720	$ 8,161	$ 29,630	$ 34,151	$ 40,802
Basic net income per common share	$ 0.13	$ 0.31	$ 0.32	$ 0.32	$ 0.29	$ 0.35	$ 0.32	$ 0.3	$ 1.08	$ 1.26	$ 1.3
Diluted net income per common share	$ 0.12	$ 0.31	$ 0.31	$ 0.32	$ 0.28	$ 0.34	$ 0.32	$ 0.3	$ 1.05	$ 1.24	$ 1.28

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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- Definition

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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