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Segment Reporting (Narrative) (Details) - Reportable_segment
 12 Months Ended
Sep. 28, 2025
Sep. 29, 2024
Oct. 01, 2023
Segment Reporting Information [Line Items]      
Number of Reportable Segments 3    
Disclosure of significant customers No customer accounts for 10% or more of our revenues    
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Chief Executive Officer [Member]    
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Our CODM, who is our chief executive officer, evaluates the performance of our operating segments based primarily on net revenues and operating income, which represents earnings before other income and expenses and income taxes. Financial information and forecasts are reviewed by our CODM at the segment level, and are used to evaluate performance, monitor actual results versus forecasts, and allocate resources for the consolidated entity. Our CODM does not use total assets by segment as a basis for decision making.    
Total net revenues [Member] | Japan, Canada and the UK Member [Domain] | Japan, Canada and the UK Member [Domain]      
Segment Reporting Information [Line Items]      
Concentration Risk, Percentage 73.00% 72.00% 71.00%
Operating Segments [Member] | North America and International Segment Member [Domain]      
Segment Reporting Information [Line Items]      
Segment Reporting Information, Description of Products and Services North America and International operations sell coffee and other beverages, complementary food, packaged coffees, single-serve coffee products, and a focused selection of merchandise through company-operated stores and licensed stores.    
Operating Segments [Member] | Channel Development [Member]      
Segment Reporting Information [Line Items]      
Segment Reporting Information, Description of Products and Services Channel Development revenues include packaged coffee, tea, foodservice products, and ready-to-drink beverage sales to customers outside of our company-operated and licensed stores. Most of our Channel Development revenues are from product sales to, and royalty revenues from, Nestlé through the Global Coffee Alliance.