Impairment of Long-Lived Assets (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 30, 2025	Mar. 31, 2024
Impairment of Long-Lived Assets
Impairment of long-lived assets	$ 1,421	$ 2,006
Company-operated restaurants
Impairment of Long-Lived Assets
Impairment of long-lived assets	1,187	1,775
Surplus properties
Impairment of Long-Lived Assets
Impairment of long-lived assets	$ 234	$ 231

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482130/360-10-45-4

Name:	us-gaap_AssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration