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Revenues - Disaggregation of Franchise Revenue by Major Type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Franchise Revenues:
Disaggregation of Revenue [Line Items]
Total franchise revenues	$ 161,346	$ 166,354	$ 502,279	$ 518,729
Royalties
Disaggregation of Revenue [Line Items]
Total franchise revenues	74,700	76,200	233,000	236,900
Advertising revenues
Disaggregation of Revenue [Line Items]
Total franchise revenues	68,200	69,800	212,200	219,600
Proprietary product sales and other
Disaggregation of Revenue [Line Items]
Total franchise revenues	16,500	18,300	50,000	55,200
Franchise and development fees
Disaggregation of Revenue [Line Items]
Total franchise revenues	$ 1,900	$ 2,100	$ 7,000	$ 7,000

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