Supplemental Guarantor Information - Unaudited Consolidating Statements of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Condensed Financial Statements, Captions [Line Items]
Net cash used in operating activities	$ (106,412)	$ (277,618)
Cash flows from investing activities:
Capital expenditures	(15,117)	(12,134)
Investments in unconsolidated entities	(2,075)	(1,763)
Return of capital from unconsolidated entities	440	0
Increases in restricted cash	(1,679)	(250,074)
Decreases in restricted cash	6,955	4,950
Net cash used in investing activities	(11,476)	(259,021)
Cash flows from financing activities:
Repayment of debt	(3,369)	(213,755)
Settlement of unconsolidated entity debt obligation	(15,862)	0
Proceeds from issuance of new debt	0	246,387
Proceeds from issuance of cash secured loan	0	247,368
Debt issuance costs	(274)	(5,130)
Equity issuance costs	(1,296)	0
Common stock redeemed	(34)	(163)
Excess tax benefit from equity-based compensation	(64)	(544)
Dividends paid	0
Increase (Decrease) in Due to Related Parties	0	0
Net cash (used in) provided by financing activities	(20,899)	274,163
Decrease in cash and cash equivalents	(138,787)	(262,476)
Cash and cash equivalents at beginning of period	370,403	537,121
Cash and cash equivalents at end of period	231,616	274,645
Beazer Homes USA, Inc.
Condensed Financial Statements, Captions [Line Items]
Net cash used in operating activities	(109,339)	(33,549)
Cash flows from investing activities:
Capital expenditures	0	0
Investments in unconsolidated entities	0	0
Return of capital from unconsolidated entities	0
Increases in restricted cash	(645)	(250,526)
Decreases in restricted cash	5,878	5,539
Net cash used in investing activities	5,233	(244,987)
Cash flows from financing activities:
Repayment of debt	(2,460)	(212,841)
Settlement of unconsolidated entity debt obligation	(15,862)
Proceeds from issuance of new debt		246,387
Proceeds from issuance of cash secured loan		247,368
Debt issuance costs	(274)	(5,130)
Equity issuance costs	(1,296)
Common stock redeemed	(34)	(163)
Excess tax benefit from equity-based compensation	(64)	(544)
Dividends paid	(1,800)
Increase (Decrease) in Due to Related Parties	(9,202)	(249,403)
Net cash (used in) provided by financing activities	(30,992)	25,674
Decrease in cash and cash equivalents	(135,098)	(252,862)
Cash and cash equivalents at beginning of period	360,723	530,847
Cash and cash equivalents at end of period	225,625	277,985
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net cash used in operating activities	2,225	(245,010)
Cash flows from investing activities:
Capital expenditures	(15,117)	(12,134)
Investments in unconsolidated entities	(2,075)	(1,763)
Return of capital from unconsolidated entities	440
Increases in restricted cash	(1,034)	452
Decreases in restricted cash	1,077	(589)
Net cash used in investing activities	(16,709)	(14,034)
Cash flows from financing activities:
Repayment of debt	(909)	(914)
Settlement of unconsolidated entity debt obligation	0
Proceeds from issuance of new debt		0
Proceeds from issuance of cash secured loan		0
Debt issuance costs	0	0
Equity issuance costs	0
Common stock redeemed	0	0
Excess tax benefit from equity-based compensation	0	0
Dividends paid	0
Increase (Decrease) in Due to Related Parties	11,527	251,939
Net cash (used in) provided by financing activities	10,618	251,025
Decrease in cash and cash equivalents	(3,866)	(8,019)
Cash and cash equivalents at beginning of period	10,488	8,343
Cash and cash equivalents at end of period	6,622	324
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net cash used in operating activities	702	941
Cash flows from investing activities:
Capital expenditures	0	0
Investments in unconsolidated entities	0	0
Return of capital from unconsolidated entities	0
Increases in restricted cash	0	0
Decreases in restricted cash	0	0
Net cash used in investing activities	0	0
Cash flows from financing activities:
Repayment of debt	0	0
Settlement of unconsolidated entity debt obligation	0
Proceeds from issuance of new debt		0
Proceeds from issuance of cash secured loan		0
Debt issuance costs	0	0
Equity issuance costs	0
Common stock redeemed	0	0
Excess tax benefit from equity-based compensation	0	0
Dividends paid	1,800
Increase (Decrease) in Due to Related Parties	(1,847)	18
Net cash (used in) provided by financing activities	(47)	18
Decrease in cash and cash equivalents	655	959
Cash and cash equivalents at beginning of period	418	200
Cash and cash equivalents at end of period	1,073	1,159
Consolidating Adjustments
Condensed Financial Statements, Captions [Line Items]
Net cash used in operating activities	0	0
Cash flows from investing activities:
Capital expenditures	0	0
Investments in unconsolidated entities	0	0
Return of capital from unconsolidated entities	0
Increases in restricted cash	0	0
Decreases in restricted cash	0	0
Net cash used in investing activities	0	0
Cash flows from financing activities:
Repayment of debt	0	0
Settlement of unconsolidated entity debt obligation	0
Proceeds from issuance of new debt		0
Proceeds from issuance of cash secured loan		0
Debt issuance costs	0	0
Equity issuance costs	0
Common stock redeemed	0	0
Excess tax benefit from equity-based compensation	0	0
Dividends paid	0
Increase (Decrease) in Due to Related Parties	(478)	(2,554)
Net cash (used in) provided by financing activities	(478)	(2,554)
Decrease in cash and cash equivalents	(478)	(2,554)
Cash and cash equivalents at beginning of period	(1,226)	(2,269)
Cash and cash equivalents at end of period	$ (1,704)	$ (4,823)