Operating and Reporting Segments (Disclosure of Facilities) (Details) - Financial Services - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2023	Nov. 30, 2022
Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 1,850,000
Residential facilities | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	1,300,000
Borrowings under facility	1,028,283	$ 1,877,411
Collateral under facilities	1,064,394	1,950,155
May 2023 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	200,000
August 2023 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	600,000
December 2023 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	500,000
Commercial facilities | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	550,000
July 2023 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	50,000
November 2023 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	100,000
December 2023 | Warehouse Repurchase Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 400,000
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	$ 11,397	$ 124,399