v3.26.1
Revenue from Contracts with Customers - Schedule of Disaggregated Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 28, 2025
Jun. 30, 2026
Jun. 28, 2025
Disaggregation of Revenue [Line Items]        
Total subscription and advertising revenues $ 1,481,714 $ 1,073,795 $ 4,604,269 $ 3,305,263
Subscription and Advertising        
Disaggregation of Revenue [Line Items]        
Total subscription and advertising revenues 409,347 0 1,241,686 0
Subscription and Advertising | United States        
Disaggregation of Revenue [Line Items]        
Total subscription and advertising revenues 401,560 0 1,219,772 0
Subscription and Advertising | Rest of world        
Disaggregation of Revenue [Line Items]        
Total subscription and advertising revenues $ 7,787 $ 0 $ 21,914 $ 0