Condensed Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2019	Apr. 30, 2018
Revenues	$ 1,716,094	$ 1,599,199	$ 3,079,275	$ 2,774,667
Cost of revenues	1,377,268	1,298,157	2,453,766	2,232,637
Selling, general and administrative	178,371	166,652	340,609	323,919
Income from operations	160,455	134,390	284,900	218,111
Other:
Income from unconsolidated entities	4,419	2,564	10,559	41,444
Other income - net	11,285	15,794	32,146	24,791
Income before income taxes	176,159	152,748	327,605	284,346
Income tax provision	46,835	40,938	86,231	40,429
Net income	129,324	111,810	241,374	243,917
Other comprehensive income, net of tax:
Other comprehensive income, net	56	170	112	341
Total comprehensive income	$ 129,380	$ 111,980	$ 241,486	$ 244,258
Per share:
Basic earnings	$ 0.88	$ 0.73	$ 1.65	$ 1.58
Diluted earnings	$ 0.87	$ 0.72	$ 1.63	$ 1.55
Weighted average number of shares:
Basic	146,622	152,731	146,687	154,306
Diluted	148,129	155,129	148,081	157,013
Home Building [Member]
Revenues	$ 1,712,057	$ 1,599,199	$ 3,031,365	$ 2,774,667
Cost of revenues	1,374,347	1,298,157	2,416,592	2,232,637
Land [Member]
Revenues	4,037	0	47,910	0
Cost of revenues	$ 2,921	$ 0	$ 37,174	$ 0