Fair Value Measurements (Carrying Value and Estimated Fair Value of Notes) (Details) - Senior Notes - USD ($) $ in Thousands	Oct. 02, 2022	Oct. 03, 2021
Series 2019-1 3.982% Fixed Rate Class A-2-I Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total debt	$ 0	$ 570,688
Series 2019-1 3.982% Fixed Rate Class A-2-I Notes | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total debt	714,125	1,290,251
Series 2019-1 3.982% Fixed Rate Class A-2-I Notes | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total debt	641,851	1,351,057
Series 2019-1 4.476% Fixed Rate Class A-2-II Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total debt	270,875	272,938
Series 2019-1 4.476% Fixed Rate Class A-2-II Notes | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total debt	1,089,000	0
Series 2019-1 4.476% Fixed Rate Class A-2-II Notes | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total debt	$ 917,428	$ 0