Restructuring - Summary of Restructuring Related Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Dec. 25, 2022
Restructuring Cost and Reserve [Line Items]
Total international transformation costs, net	$ 27,273	$ 2,178	$ 0
Reversal related to forfeiture of unvested stock-based compensation awards	(27,273)	(2,178)	$ 0
International Transformation Plan
Restructuring Cost and Reserve [Line Items]
Total international transformation costs, net	27,273	2,178
Reversal related to forfeiture of unvested stock-based compensation awards	(27,273)	(2,178)
International Transformation Plan | Long-lived asset impairment charges
Restructuring Cost and Reserve [Line Items]
Total international transformation costs, net	11,664	0
Reversal related to forfeiture of unvested stock-based compensation awards	(11,664)	0
International Transformation Plan | Loss on franchisee notes receivable
Restructuring Cost and Reserve [Line Items]
Total international transformation costs, net	1,744	0
Reversal related to forfeiture of unvested stock-based compensation awards	(1,744)	0
International Transformation Plan | Loss on refranchising Company-owned restaurants
Restructuring Cost and Reserve [Line Items]
Total international transformation costs, net	1,745	0
Reversal related to forfeiture of unvested stock-based compensation awards	(1,745)	0
International Transformation Plan | Professional services and other related costs
Restructuring Cost and Reserve [Line Items]
Total international transformation costs, net	8,599	677
Reversal related to forfeiture of unvested stock-based compensation awards	(8,599)	(677)
International Transformation Plan | Employee termination costs, net
Restructuring Cost and Reserve [Line Items]
Total international transformation costs, net	390	1,501
Reversal related to forfeiture of unvested stock-based compensation awards	(390)	(1,501)
International Transformation Plan | Unvested Stock-Based Compensation Awards
Restructuring Cost and Reserve [Line Items]
Total international transformation costs, net	(100)
Reversal related to forfeiture of unvested stock-based compensation awards	100
International Transformation Plan | Lease terminations and other lease related costs
Restructuring Cost and Reserve [Line Items]
Total international transformation costs, net	3,131	0
Reversal related to forfeiture of unvested stock-based compensation awards	(3,131)	$ 0
International Transformation Plan | Early Lease Termination
Restructuring Cost and Reserve [Line Items]
Total international transformation costs, net	1,100
Reversal related to forfeiture of unvested stock-based compensation awards	(1,100)
International Transformation Plan | Existing Lease Termination
Restructuring Cost and Reserve [Line Items]
Total international transformation costs, net	2,100
Reversal related to forfeiture of unvested stock-based compensation awards	$ (2,100)