Supplemental Guarantor Information - Unaudited Consolidating Statement of Operations (Details) (USD $)	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items]
Total revenue	$ 246,902,000	$ 188,548,000
Home construction and land sales expenses	210,614,000	162,776,000
Inventory impairments and option contract abandonments	204,000	3,503,000
Gross profit	36,084,000	22,269,000
Commissions	10,642,000	8,371,000
General and administrative expenses	26,328,000	28,194,000
Depreciation and amortization	2,715,000	2,403,000
Operating loss	(3,601,000)	(16,699,000)
Equity in income (loss) of unconsolidated entities	36,000	(77,000)
Other (expense) income, net	(15,627,000)	(18,273,000)
(Loss) income from continuing operations before income taxes	(19,192,000)	(35,049,000)
(Benefit from) provisions for income taxes	(253,000)	(35,747,000)
Equity in (loss) income of subsidiaries	0	0
(Loss) income from continuing operations	(18,939,000)	698,000
(Loss) income from discontinued operations, net of tax	(1,449,000)	41,000
Equity in income (loss) of subsidiaries	0	0
Net (loss) income	(20,388,000)	739,000
Beazer Homes USA, Inc.
Condensed Financial Statements, Captions [Line Items]
Total revenue	0	0
Home construction and land sales expenses	8,475,000	12,843,000
Inventory impairments and option contract abandonments	0	28,000
Gross profit	(8,475,000)	(12,871,000)
Commissions	0	0
General and administrative expenses	0	0
Depreciation and amortization	0	0
Operating loss	(8,475,000)	(12,871,000)
Equity in income (loss) of unconsolidated entities	0	0
Other (expense) income, net	(16,211,000)	(19,117,000)
(Loss) income from continuing operations before income taxes	(24,686,000)	(31,988,000)
(Benefit from) provisions for income taxes	(437,000)	(12,434,000)
Equity in (loss) income of subsidiaries	5,310,000	20,252,000
(Loss) income from continuing operations	(18,939,000)	698,000
(Loss) income from discontinued operations, net of tax	0	0
Equity in income (loss) of subsidiaries	(1,449,000)	41,000
Net (loss) income	(20,388,000)	739,000
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Total revenue	246,902,000	188,548,000
Home construction and land sales expenses	202,356,000	150,153,000
Inventory impairments and option contract abandonments	204,000	3,475,000
Gross profit	44,342,000	34,920,000
Commissions	10,642,000	8,371,000
General and administrative expenses	26,301,000	28,166,000
Depreciation and amortization	2,715,000	2,403,000
Operating loss	4,684,000	(4,020,000)
Equity in income (loss) of unconsolidated entities	36,000	(77,000)
Other (expense) income, net	580,000	834,000
(Loss) income from continuing operations before income taxes	5,300,000	(3,263,000)
(Benefit from) provisions for income taxes	94,000	(23,383,000)
Equity in (loss) income of subsidiaries	0	0
(Loss) income from continuing operations	5,206,000	20,120,000
(Loss) income from discontinued operations, net of tax	(1,491,000)	44,000
Equity in income (loss) of subsidiaries	0	0
Net (loss) income	3,715,000	20,164,000
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Total revenue	217,000	220,000
Home construction and land sales expenses	0	0
Inventory impairments and option contract abandonments	0	0
Gross profit	217,000	220,000
Commissions	0	0
General and administrative expenses	27,000	28,000
Depreciation and amortization	0	0
Operating loss	190,000	192,000
Equity in income (loss) of unconsolidated entities	0	0
Other (expense) income, net	4,000	10,000
(Loss) income from continuing operations before income taxes	194,000	202,000
(Benefit from) provisions for income taxes	90,000	70,000
Equity in (loss) income of subsidiaries	0	0
(Loss) income from continuing operations	104,000	132,000
(Loss) income from discontinued operations, net of tax	42,000	(3,000)
Equity in income (loss) of subsidiaries	0	0
Net (loss) income	146,000	129,000
Consolidating Adjustments
Condensed Financial Statements, Captions [Line Items]
Total revenue	(217,000)	(220,000)
Home construction and land sales expenses	(217,000)	(220,000)
Inventory impairments and option contract abandonments	0	0
Gross profit	0	0
Commissions	0	0
General and administrative expenses	0	0
Depreciation and amortization	0	0
Operating loss	0	0
Equity in income (loss) of unconsolidated entities	0	0
Other (expense) income, net	0	0
(Loss) income from continuing operations before income taxes	0	0
(Benefit from) provisions for income taxes	0	0
Equity in (loss) income of subsidiaries	(5,310,000)	(20,252,000)
(Loss) income from continuing operations	(5,310,000)	(20,252,000)
(Loss) income from discontinued operations, net of tax	0	0
Equity in income (loss) of subsidiaries	1,449,000	(41,000)
Net (loss) income	$ (3,861,000)	$ (20,293,000)