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Goodwill And Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Apr. 13, 2025	Jul. 07, 2024	Sep. 28, 2025	Sep. 29, 2024	Oct. 01, 2023
Goodwill [Line Items]
Goodwill impairment loss			$ 31,656	$ 162,624
Operating restaurant impairment charges			4,384	8,008	$ 4,569
Trademark asset
Goodwill [Line Items]
Operating restaurant impairment charges	$ 177,900		177,900
Del Taco
Goodwill [Line Items]
Goodwill impairment loss	$ 25,300	$ 162,600	31,656	162,624
Operating restaurant impairment charges			$ 2,400	$ 2,600	$ 4,400

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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.

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