Impairment Of Long-Lived Assets And Other Lease Charges (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2023 USD ($) restaurant	Oct. 02, 2022 USD ($) restaurant	Oct. 01, 2023 USD ($) restaurant	Oct. 02, 2022 USD ($) restaurant
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment and other lease charges	$ 1,600	$ 1,200	$ 5,700	$ 3,200
Impairment and other lease charges (Note 4)	$ 1,591	$ 1,196	$ 5,680	$ 19,868
Number of restaurants closed | restaurant		1
Asset impairment charges, number of restaurants | restaurant	1	3	1	6
Asset Impairment Charges, Number of Underperforming Restaurants | restaurant				10
Closed Restaurants
Impaired Long-Lived Assets Held and Used [Line Items]
Number of restaurants closed | restaurant	1		7
Initial Impairment Charge
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment and other lease charges (Note 4)	$ 300	$ 300	$ 300	$ 1,400
Previously Impaired
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment and other lease charges (Note 4)			700	400
Capital Expenditures At Underperforming Restaurants
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment and other lease charges (Note 4)	400	100
Other Lease Charges
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment and other lease charges (Note 4)	$ 1,000	800	$ 4,700	1,500
Long-lived assets impairment and other lease charges		$ 400		$ 1,000