Condensed Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019
Revenues	$ 1,549,072	$ 1,716,094	$ 2,880,503	$ 3,079,275
Cost of revenues	1,277,107	1,377,268	2,369,289	2,453,766
Selling, general and administrative	179,417	178,371	371,170	340,609
Income from operations	92,548	160,455	140,044	284,900
Other:
Income from unconsolidated entities	(4,271)	4,419	7,870	10,559
Other income - net	13,836	11,285	20,131	32,146
Income before income taxes	102,113	176,159	168,045	327,605
Income tax provision	26,443	46,835	35,499	86,231
Net income	75,670	129,324	132,546	241,374
Other comprehensive income, net of tax:
Other comprehensive income, net	278	56	556	112
Total comprehensive income	$ 75,948	$ 129,380	$ 133,102	$ 241,486
Per share:
Basic earnings	$ 0.59	$ 0.88	$ 1.00	$ 1.65
Diluted earnings	$ 0.59	$ 0.87	$ 0.99	$ 1.63
Weighted average number of shares:
Basic	128,205	146,622	133,175	146,687
Diluted	128,809	148,129	134,349	148,081
Home Building [Member]
Revenues	$ 1,516,234	$ 1,712,057	$ 2,813,571	$ 3,031,365
Cost of revenues	1,250,689	1,374,347	2,310,589	2,416,592
Land [Member]
Revenues	32,838	4,037	66,932	47,910
Cost of revenues	$ 26,418	$ 2,921	$ 58,700	$ 37,174