Organization and Summary of Significant Accounting Policies - Interest Expense, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2022	Dec. 26, 2021	Dec. 27, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest expense incurred primarily on indebtedness	$ (18.3)	$ (23.7)	$ (23.6)
Miscellaneous interest income	0.6	0.3	0.8
Interest expense, net	$ (17.7)	$ (23.4)	$ (22.8)