Deferred Compensation and Other Benefits - Schedule of Net Periodic Pension Cost (Details) - Deferred Compensation and Other Benefits [Member] - Executive Officer [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2021	Jun. 26, 2020	Jul. 02, 2021	Jun. 26, 2020
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 127	$ 102	$ 254	$ 205
Interest cost	49	87	100	174
Expected return on assets	(178)	(158)	(357)	(317)
Amortization of actuarial loss	125	74	250	148
Net periodic pension cost	$ 123	$ 105	$ 247	$ 210