CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Total revenue	$ 526,666	$ 570,932	$ 1,489,321	$ 1,549,360
Home construction and land sales expenses	394,201	455,178	1,138,771	1,259,922
Inventory impairments and abandonments	0	231	935	696
Gross profit	132,465	115,523	349,615	288,742
Commissions	16,277	20,955	48,668	58,346
General and administrative expenses	45,760	42,186	129,057	119,903
Depreciation and amortization	3,189	3,689	9,101	10,494
Operating income	67,239	48,693	162,789	99,999
Equity in income of unconsolidated entities	3	313	454	424
Gain (loss) on extinguishment of debt, net	86	(1,050)	(78)	(1,613)
Other income (expense), net	134	(10)	405	(2,356)
Income from continuing operations before income taxes	67,462	47,946	163,570	96,454
Expense from income taxes	13,150	10,804	29,685	22,633
Income from continuing operations	54,312	37,142	133,885	73,821
Income (loss) from discontinued operations, net of tax	12	(7)	(4)	(161)
Net income	$ 54,324	$ 37,135	$ 133,881	$ 73,660
Weighted-average number of shares:
Basic (in shares)	30,512	30,022	30,480	29,915
Diluted (in shares)	30,872	30,562	30,806	30,292
Basic income (loss) per share:
Continuing operations (in USD per share)	$ 1.78	$ 1.24	$ 4.39	$ 2.47
Discontinued operations (in USD per share)	0	0	0	(0.01)
Total (in USD per share)	1.78	1.24	4.39	2.46
Diluted income (loss) per share:
Continuing operations (in USD per share)	1.76	1.22	4.35	2.44
Discontinued operations (in USD per share)	0	0	0	(0.01)
Total (in USD per share)	$ 1.76	$ 1.22	$ 4.35	$ 2.43