Supplemental Guarantor Information - Unaudited Consolidating Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2011
ASSETS
Cash and cash equivalents	$ 298,346	$ 487,795	$ 231,616	$ 370,403
Restricted cash	246,013	253,260
Accounts receivable (net of allowance)	26,066	24,599
Income tax receivable	3,080	6,372
Owned inventory	1,265,112	1,099,132
Consolidated inventory not owned	7,880	12,420
Investments in unconsolidated entities	42,477	42,078
Deferred tax assets, net	7,076	6,848
Property, plant and equipment, net	16,734	18,974
Investments in subsidiaries	0	0
Intercompany	0	0
Other assets	30,133	30,740
Total assets	1,942,917	1,982,218
LIABILITIES AND STOCKHOLDERS' EQUITY
Trade accounts payable	79,625	69,268
Other liabilities	126,746	147,718
Intercompany	0	0
Obligations related to land not owned under option agreements	2,904	4,787
Total debt (net of discounts of $2,341 and $3,082, respectively)	1,505,656	1,498,198
Total liabilities	1,714,931	1,719,971
Stockholders' equity	227,986	262,247
Total liabilities and stockholders' equity	1,942,917	1,982,218
Beazer Homes USA, Inc.
ASSETS
Cash and cash equivalents	295,769	481,394	225,625	360,723
Restricted cash	245,651	252,900
Accounts receivable (net of allowance)	0	0
Income tax receivable	3,080	6,372
Owned inventory	0	0
Consolidated inventory not owned	0	0
Investments in unconsolidated entities	773	773
Deferred tax assets, net	7,076	6,848
Property, plant and equipment, net	0	0
Investments in subsidiaries	93,173	63,120
Intercompany	1,096,356	969,425
Other assets	21,260	21,307
Total assets	1,763,138	1,802,139
LIABILITIES AND STOCKHOLDERS' EQUITY
Trade accounts payable	0	0
Other liabilities	36,911	49,354
Intercompany	1,073	1,098
Obligations related to land not owned under option agreements	0	0
Total debt (net of discounts of $2,341 and $3,082, respectively)	1,497,168	1,489,440
Total liabilities	1,535,152	1,539,892
Stockholders' equity	227,986	262,247
Total liabilities and stockholders' equity	1,763,138	1,802,139
Guarantor Subsidiaries
ASSETS
Cash and cash equivalents	5,729	8,215	6,622	10,488
Restricted cash	362	360
Accounts receivable (net of allowance)	26,059	24,594
Income tax receivable	0	0
Owned inventory	1,265,112	1,099,132
Consolidated inventory not owned	7,880	12,420
Investments in unconsolidated entities	41,704	41,305
Deferred tax assets, net	0	0
Property, plant and equipment, net	16,734	18,974
Investments in subsidiaries	0	0
Intercompany	0	0
Other assets	7,693	7,783
Total assets	1,371,273	1,212,783
LIABILITIES AND STOCKHOLDERS' EQUITY
Trade accounts payable	79,625	69,268
Other liabilities	88,426	96,389
Intercompany	1,102,094	973,788
Obligations related to land not owned under option agreements	2,904	4,787
Total debt (net of discounts of $2,341 and $3,082, respectively)	8,488	8,758
Total liabilities	1,281,537	1,152,990
Stockholders' equity	89,736	59,793
Total liabilities and stockholders' equity	1,371,273	1,212,783
Non-Guarantor Subsidiaries
ASSETS
Cash and cash equivalents	888	646	1,073	418
Restricted cash	0	0
Accounts receivable (net of allowance)	7	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	2,771	3,001
Other assets	1,180	1,650
Total assets	4,846	5,302
LIABILITIES AND STOCKHOLDERS' EQUITY
Trade accounts payable	0	0
Other liabilities	1,409	1,975
Intercompany	0	0
Obligations related to land not owned under option agreements	0	0
Total debt (net of discounts of $2,341 and $3,082, respectively)	0	0
Total liabilities	1,409	1,975
Stockholders' equity	3,437	3,327
Total liabilities and stockholders' equity	4,846	5,302
Consolidating Adjustments
ASSETS
Cash and cash equivalents	(4,040)	(2,460)	(1,704)	(1,226)
Restricted cash	0	0
Accounts receivable (net of allowance)	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	(93,173)	(63,120)
Intercompany	(1,099,127)	(972,426)
Other assets	0	0
Total assets	(1,196,340)	(1,038,006)
LIABILITIES AND STOCKHOLDERS' EQUITY
Trade accounts payable	0	0
Other liabilities	0	0
Intercompany	(1,103,167)	(974,886)
Obligations related to land not owned under option agreements	0	0
Total debt (net of discounts of $2,341 and $3,082, respectively)	0	0
Total liabilities	(1,103,167)	(974,886)
Stockholders' equity	(93,173)	(63,120)
Total liabilities and stockholders' equity	$ (1,196,340)	$ (1,038,006)