Operating and Reporting Segments (Disclosure of Facilities) (Details) - Financial Services - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2022	Nov. 30, 2021
Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,750,000
Residential facilities maturing October 2021 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	200,000
Residential facilities maturing December 2021 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	500,000
Residential facilities maturing April 2022 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	100,000
Residential facilities maturing July 2022 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	400,000
Residential facilities | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	1,200,000
Borrowings under facility	1,021,791	$ 1,482,258
Collateral under facilities	1,059,876	1,539,641
Commercial facilities maturing November 2021 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	100,000
Commercial facilities maturing December 2021 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	400,000
Commercial Warehouse Repurchase Facility Due in July 2023 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	50,000
Commercial facilities | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 550,000
Warehouse Repurchase Facility | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Facility, term	364 days
Warehouse Repurchase Facility | Commercial facilities
Line of Credit Facility [Line Items]
Borrowings under facility	$ 29,247	$ 96,294