Long-Term Debt and Short-Term Borrowings - Schedule of Debt (Details) - USD ($)	12 Months Ended
	Dec. 29, 2022	Dec. 30, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
Principal and interest payments	$ 39,000	$ 39,000
Interest rate of unsecured term note	5.75%	5.75%
Mortgage notes	$ 0	$ 24,388,000
Senior notes	80,000,000	90,000,000
Unsecured term note due February 2025, with monthly principal and interest payments of $39, bearing interest at 5.75%	954,000	1,356,000
Convertible senior notes	100,050,000	100,050,000
Payroll Protection Program loans	2,240,000	3,181,000
Revolving credit agreement	0	0
Debt issuance costs	(2,807,000)	(3,831,000)
Total debt, net of debt issuance costs	180,437,000	215,144,000
Less current maturities, net of issuance costs	10,432,000	10,967,000
Long-term debt	170,005,000	204,177,000	$ 193,036,000
Short-term borrowings	0	47,346,000
Total debt and short-term borrowings, net of issuance costs	$ 180,437,000	$ 262,490,000