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Operating and Reporting Segments (Homebuilding Financial Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2021	May 31, 2020	May 31, 2021	May 31, 2020
Segment Reporting Information [Line Items]
Revenues	$ 6,430,245	$ 5,287,373	$ 11,755,713	$ 9,792,710
Operating earnings (loss)	1,202,095	760,028	2,651,954	1,270,427
East
Segment Reporting Information [Line Items]
Revenues	1,567,768	1,277,431	2,923,710	2,429,763
Operating earnings (loss)	309,827	192,887	571,910	341,641
Central
Segment Reporting Information [Line Items]
Revenues	1,097,582	986,284	2,026,024	1,775,794
Operating earnings (loss)	159,048	103,904	291,071	159,627
Texas
Segment Reporting Information [Line Items]
Revenues	799,259	712,756	1,443,337	1,185,984
Operating earnings (loss)	176,057	99,887	305,700	152,960
West
Segment Reporting Information [Line Items]
Revenues	2,553,771	1,959,823	4,563,350	3,708,592
Operating earnings (loss)	492,811	280,094	814,517	505,001
Other
Segment Reporting Information [Line Items]
Revenues	9,661	13,190	14,676	21,467
Operating earnings (loss)	(25,268)	(45,411)	(37,543)	(67,470)
Homebuilding
Segment Reporting Information [Line Items]
Revenues	6,028,041	4,949,484	10,971,097	9,121,600
Operating earnings (loss)	$ 1,112,475	$ 631,361	$ 1,945,655	$ 1,091,759

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