Stock-Based Compensation and Other Stock Plans - Other Stock Plans Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Directors' Fee Plan
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Percentage of non-employee directors fee	100.00%
Number of shares issued (in shares)	449	621	1,235
Deferred shares received (in shares)	176	309	922
Number of shares reserved for issuance (in shares)	195,281
Non-employee Directors \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Shares granted (in shares)	5,760	6,525	6,858
Vesting period	1 year
Employees Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Number of shares issued (in shares)	27,225	18,452	82,286
Number of shares reserved for issuance (in shares)	551,598
Employee contributions for purchase of common stock	$ 2.2
Compensation expense	$ 1.4	$ 0.2	$ 9.6
Franchisee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Number of shares issued (in shares)	46,510	44,937	143,388
Number of shares reserved for issuance (in shares)	178,715
Compensation expense	$ 2.5	$ 0.4	$ 16.7
Franchisee contributions for purchase of common stock	$ 7.3

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Employee Contributions For Purchase Of Common Stock

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Percentage Of Non-Employee Directors Fee

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