Supplemental Guarantor Information - Consolidating Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Condensed Financial Statements, Captions [Line Items]
Beazer homes' ownership interest in guarantor subsidiaries	100.00%
ASSETS
Cash and cash equivalents	$ 504,459	$ 487,795	$ 370,403	$ 537,121
Restricted cash	48,978	253,260
Accounts receivable (net of allowance of $1,651 and $2,235, respectively)	22,342	24,599
Income tax receivable	2,813	6,372
Owned inventory	1,304,694	1,099,132
Consolidated inventory not owned	9,124	12,420
Investments in unconsolidated entities	44,997	42,078
Deferred tax assets, net	5,253	6,848
Property, plant and equipment, net	17,000	18,974
Investments in subsidiaries	0	0
Intercompany	0	0
Other assets	27,129	30,740
Total assets	1,986,789	1,982,218
LIABILITIES AND STOCKHOLDERS' EQUITY
Trade accounts payable	83,800	69,268
Other liabilities	145,623	147,718
Intercompany	0	0
Obligations related to land not owned under option agreements	4,633	4,787
Total debt (net of discounts of $3,082 and $23,243, respectively)	1,512,183	1,498,198
Total liabilities	1,746,239	1,719,971
Stockholders' equity	240,550	262,247	198,380	397,101
Total liabilities and stockholders' equity	1,986,789	1,982,218
Beazer Homes USA, Inc.
ASSETS
Cash and cash equivalents	499,341	481,394	360,723	530,847
Restricted cash	47,873	252,900
Accounts receivable (net of allowance of $1,651 and $2,235, respectively)	0	0
Income tax receivable	2,813	6,372
Owned inventory	0	0
Consolidated inventory not owned	0	0
Investments in unconsolidated entities	773	773
Deferred tax assets, net	5,253	6,848
Property, plant and equipment, net	0	0
Investments in subsidiaries	123,600	63,120
Intercompany	1,088,949	969,425
Other assets	19,602	21,307
Total assets	1,788,204	1,802,139
LIABILITIES AND STOCKHOLDERS' EQUITY
Trade accounts payable	0	0
Other liabilities	52,009	49,354
Intercompany	2,747	1,098
Obligations related to land not owned under option agreements	0	0
Total debt (net of discounts of $3,082 and $23,243, respectively)	1,492,898	1,489,440
Total liabilities	1,547,654	1,539,892
Stockholders' equity	240,550	262,247
Total liabilities and stockholders' equity	1,788,204	1,802,139
Guarantor Subsidiaries
ASSETS
Cash and cash equivalents	6,324	8,215	10,488	8,343
Restricted cash	1,105	360
Accounts receivable (net of allowance of $1,651 and $2,235, respectively)	22,339	24,594
Income tax receivable	0	0
Owned inventory	1,304,694	1,099,132
Consolidated inventory not owned	9,124	12,420
Investments in unconsolidated entities	44,224	41,305
Deferred tax assets, net	0	0
Property, plant and equipment, net	17,000	18,974
Investments in subsidiaries	0	0
Intercompany	0	0
Other assets	7,147	7,783
Total assets	1,411,957	1,212,783
LIABILITIES AND STOCKHOLDERS' EQUITY
Trade accounts payable	83,800	69,268
Other liabilities	92,384	96,389
Intercompany	1,091,792	973,788
Obligations related to land not owned under option agreements	4,633	4,787
Total debt (net of discounts of $3,082 and $23,243, respectively)	19,285	8,758
Total liabilities	1,291,894	1,152,990
Stockholders' equity	120,063	59,793
Total liabilities and stockholders' equity	1,411,957	1,212,783
Non-Guarantor Subsidiaries
ASSETS
Cash and cash equivalents	1,637	646	418	200
Restricted cash	0	0
Accounts receivable (net of allowance of $1,651 and $2,235, respectively)	3	5
Income tax receivable	0	0
Owned inventory	0	0
Consolidated inventory not owned	0	0
Investments in unconsolidated entities	0	0
Deferred tax assets, net	0	0
Property, plant and equipment, net	0	0
Investments in subsidiaries	0	0
Intercompany	2,747	3,001
Other assets	380	1,650
Total assets	4,767	5,302
LIABILITIES AND STOCKHOLDERS' EQUITY
Trade accounts payable	0	0
Other liabilities	1,230	1,975
Intercompany	0	0
Obligations related to land not owned under option agreements	0	0
Total debt (net of discounts of $3,082 and $23,243, respectively)	0	0
Total liabilities	1,230	1,975
Stockholders' equity	3,537	3,327
Total liabilities and stockholders' equity	4,767	5,302
Consolidating Adjustments
ASSETS
Cash and cash equivalents	(2,843)	(2,460)	(1,226)	(2,269)
Restricted cash	0	0
Accounts receivable (net of allowance of $1,651 and $2,235, respectively)	0	0
Income tax receivable	0	0
Owned inventory	0	0
Consolidated inventory not owned	0	0
Investments in unconsolidated entities	0	0
Deferred tax assets, net	0	0
Property, plant and equipment, net	0	0
Investments in subsidiaries	(123,600)	(63,120)
Intercompany	(1,091,696)	(972,426)
Other assets	0	0
Total assets	(1,218,139)	(1,038,006)
LIABILITIES AND STOCKHOLDERS' EQUITY
Trade accounts payable	0	0
Other liabilities	0	0
Intercompany	(1,094,539)	(974,886)
Obligations related to land not owned under option agreements	0	0
Total debt (net of discounts of $3,082 and $23,243, respectively)	0	0
Total liabilities	(1,094,539)	(974,886)
Stockholders' equity	(123,600)	(63,120)
Total liabilities and stockholders' equity	$ (1,218,139)	$ (1,038,006)