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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Long-Term Debt - Narrative (Details)				9 Months Ended	12 Months Ended	33 Months Ended
Long-Term Debt - Narrative (Details)	Sep. 28, 2023 USD ($) agreement $ / shares	Feb. 10, 2023	Sep. 17, 2020 USD ($) $ / shares	Sep. 28, 2023 USD ($) agreement $ / shares	Dec. 29, 2022 USD ($) agreement	Dec. 28, 2023	Sep. 22, 2020
Senior notes	$ 70,000,000			$ 70,000,000	$ 80,000,000
Trading period				20 days
Threshold trading days				30 days
Threshold percentage of conversion price on each applicable trading day				130.00%
Initial conversion premium			100.00%
Share price (in dollars per share) \| $ / shares			$ 8.99
Cap price of capped call transactions (in dollars per share) \| $ / shares	$ 17.67		17.98	$ 17.67
Strike price of capped call transactions (in dollars per share) \| $ / shares			$ 11.0128
Forecast
Trading period						20 days
Threshold trading days						30 days
Threshold percentage of conversion price on each applicable trading day						130.00%
Senior Notes \| 4.02% Senior Notes
Interest rate (as a percent)	4.02%			4.02%
Senior Notes \| 4.32% Senior Notes
Interest rate (as a percent)	4.32%			4.32%
Note Purchase Agreement
Senior notes	$ 70,000,000			$ 70,000,000	$ 70,000,000
Number of purchase agreements \| agreement	2			2	2
Convertible Debt
Interest rate (as a percent)			5.00%				5.00%
Face amount			$ 100,050,000
Threshold percentage of conversion price on each applicable trading day				98.00%
Conversion rate	0.0923757		0.0908038
Initial conversion price (in dollars per share) \| $ / shares	$ 10.83		$ 11.01	$ 10.83
Initial conversion premium			22.50%
Share price (in dollars per share) \| $ / shares			$ 8.99
Purchase price as a percentage of principal amount			100.00%
Credit Agreement
Maximum borrowing capacity	$ 225,000,000			$ 225,000,000
Borrowing outstanding	$ 0			$ 0
Specified margin (as a percent)		0.50%
Floor interest rate		1.00%
Priority debt as a percentage of consolidated total capitalization				20.00%
Consolidated debt to capitalization ratio				0.55
Consolidated fixed charge coverage ratio				2.5
Credit Agreement \| Minimum
Facility fee (as a percent)		0.125%
Credit Agreement \| Maximum
Facility fee (as a percent)		0.25%
Quarterly dividend payments or share repurchases					$ 1,550,000
Credit Agreement \| SOFR
Specified margin (as a percent)		0.10%
Floor interest rate		0.00%
Credit Agreement \| SOFR \| Subject to 1% Floor
Specified margin (as a percent)		1.00%
Revolving Credit Facility
Effective interest rate	6.41%			6.41%
Available facility	$ 220,623,000			$ 220,623,000