Share-Based Compensation - (Component of Net Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 27, 2023	Dec. 28, 2022	Dec. 29, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation	$ 8,880	$ 11,400	$ 13,602
Employee share awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation	7,991	10,470	12,708
Restricted stock units for board members
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation	$ 889	$ 930	$ 894