Significant Accounting Policies - Net Income Attributable to Joint Ventures (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Sep. 24, 2023	Sep. 29, 2024	Sep. 24, 2023
Noncontrolling Interest [Line Items]
Nonredeemable noncontrolling interests	$ (63)	$ 60	$ 318	$ 216
Total net income	41,808	15,861	68,687	56,005
Corporate Joint Venture
Noncontrolling Interest [Line Items]
Papa John’s International, Inc.	(46)	196	1,285	821
Redeemable noncontrolling interests	43	30	233	135
Nonredeemable noncontrolling interests	(63)	60	318	216
Total net income	$ (66)	$ 286	$ 1,836	$ 1,172