Fair Value Disclosures (Level 4 debt fv) (Details 3) - USD ($) $ in Thousands	Oct. 31, 2022	Oct. 31, 2021
Book value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	$ 3,335,906	$ 3,571,410
Estimate fair value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	3,152,011	3,746,992
Fair Value, Inputs, Level 1 [Member] | Book value [Member] | Senior Notes [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	2,000,000	2,409,856
Fair Value, Inputs, Level 1 [Member] | Estimate fair value [Member] | Senior Notes [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	1,822,255	2,577,818
Fair Value, Inputs, Level 2 [Member] | Book value [Member] | Loans Payable [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	1,187,043	1,014,042
Fair Value, Inputs, Level 2 [Member] | Book value [Member] | Warehouse Agreement Borrowings [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	148,863	147,512
Fair Value, Inputs, Level 2 [Member] | Estimate fair value [Member] | Loans Payable [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	1,180,893	1,021,662
Fair Value, Inputs, Level 2 [Member] | Estimate fair value [Member] | Warehouse Agreement Borrowings [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, fair value disclosure	$ 148,863	$ 147,512