Consolidated Statements of Comprehensive Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Revenues:
Rental revenues	$ 109.3	$ 117.1	$ 122.6
Total revenues	879.3	812.3	831.1
Cost of revenues:
Franchise expenses	323.2	339.9	344.4
Company-owned restaurant expenses	112.6	9.9	2.1
Rental expenses	84.2	87.2	87.8
Total cost of revenues	520.0	437.0	434.4
Gross profit	359.3	375.3	396.7
General and administrative expenses	203.8	196.7	198.1
Interest expense, net	78.0	72.1	70.0
Closure and impairment charges	40.0	9.2	3.6
Amortization of intangible assets	11.9	10.8	10.9
Loss on extinguishment of debt	0.9	0.0	0.0
(Gain) loss on disposition of assets	(0.5)	(3.2)	2.4
Income before income taxes	25.2	89.5	111.7
Income tax provision	(8.1)	(24.7)	(14.5)
Net income	17.1	64.9	97.2
Other comprehensive income, net of tax:
Foreign currency translation adjustment	0.0	0.0	0.0
Total comprehensive income	17.1	64.9	97.2
Net income available to common stockholders:
Net income	17.1	64.9	97.2
Less: Net income allocated to unvested restricted stock	(1.1)	(1.9)	(2.3)
Net income available to common stockholders	16.0	63.0	94.9
Net income available to common stockholders	$ 16.0	$ 63.0	$ 94.9
Net income available to common stockholders per share:
Basic (in dollars per share)	$ 1.11	$ 4.22	$ 6.23
Diluted (in dollars per share)	$ 1.11	$ 4.22	$ 6.22
Weighted average shares outstanding:
Basic (in shares)	14.3	14.9	15.2
Diluted (in shares)	14.3	14.9	15.2
Franchise Revenues
Revenues:
Revenue from contract with customer	$ 665.5	$ 686.0	$ 706.4
Royalties, franchise fees and other
Revenues:
Revenue from contract with customer	383.7	395.5	405.6
Advertising revenues
Revenues:
Revenue from contract with customer	281.8	290.4	300.8
Company-owned restaurant revenues
Revenues:
Revenue from contract with customer	104.6	9.3	2.1
Advertising expenses
Revenues:
Revenue from contract with customer	281.8	290.4	300.8
Cost of revenues:
Franchise expenses	278.8	295.3	301.0
Other franchise expenses
Cost of revenues:
Franchise expenses	$ 44.4	$ 44.6	$ 43.4