Supplemental Guarantor Information - Unaudited Consolidating Balance Sheet Information (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2012
ASSETS
Cash and cash equivalents	$ 206,482	$ 504,459	$ 298,346	$ 487,795
Restricted cash	57,963	48,978
Accounts receivable (net of allowance of $1,278)	28,999	22,342
Income tax receivable	4,754	2,813
Owned inventory	1,587,954	1,304,694
Consolidated inventory not owned	7,588	9,124
Investments in unconsolidated entities	34,224	44,997
Deferred tax assets, net	5,480	5,253
Property, plant and equipment, net	17,183	17,000
Investments in subsidiaries	0	0
Intercompany	0	0
Other assets	26,767	27,129
Total assets	1,977,394	1,986,789
LIABILITIES AND STOCKHOLDERS’ EQUITY
Trade accounts payable	84,435	83,800
Other liabilities	133,698	145,623
Intercompany	0	0
Obligations related to land not owned under option agreements	3,016	4,633
Total debt (net of discounts of $4,590 and $5,160 respectively)	1,537,242	1,512,183
Total liabilities	1,758,391	1,746,239
Stockholders’ equity	219,003	240,550
Total liabilities and stockholders’ equity	1,977,394	1,986,789
Beazer Homes USA, Inc.
ASSETS
Cash and cash equivalents	200,696	499,341	295,769	481,394
Restricted cash	56,749	47,873
Accounts receivable (net of allowance of $1,278)	0	0
Income tax receivable	4,754	2,813
Owned inventory	0	0
Consolidated inventory not owned	0	0
Investments in unconsolidated entities	773	773
Deferred tax assets, net	5,480	5,253
Property, plant and equipment, net	0	0
Investments in subsidiaries	177,783	123,600
Intercompany	1,313,401	1,088,949
Other assets	18,616	19,602
Total assets	1,778,252	1,788,204
LIABILITIES AND STOCKHOLDERS’ EQUITY
Trade accounts payable	0	0
Other liabilities	42,656	52,009
Intercompany	2,399	2,747
Obligations related to land not owned under option agreements	0	0
Total debt (net of discounts of $4,590 and $5,160 respectively)	1,514,194	1,492,898
Total liabilities	1,559,249	1,547,654
Stockholders’ equity	219,003	240,550
Total liabilities and stockholders’ equity	1,778,252	1,788,204
Guarantor Subsidiaries
ASSETS
Cash and cash equivalents	9,223	6,324	5,729	8,215
Restricted cash	1,214	1,105
Accounts receivable (net of allowance of $1,278)	28,996	22,339
Income tax receivable	0	0
Owned inventory	1,587,954	1,304,694
Consolidated inventory not owned	7,588	9,124
Investments in unconsolidated entities	33,451	44,224
Deferred tax assets, net	0	0
Property, plant and equipment, net	17,183	17,000
Investments in subsidiaries	0	0
Intercompany	0	0
Other assets	8,042	7,147
Total assets	1,693,651	1,411,957
LIABILITIES AND STOCKHOLDERS’ EQUITY
Trade accounts payable	84,435	83,800
Other liabilities	90,140	92,384
Intercompany	1,318,478	1,091,792
Obligations related to land not owned under option agreements	3,016	4,633
Total debt (net of discounts of $4,590 and $5,160 respectively)	23,048	19,285
Total liabilities	1,519,117	1,291,894
Stockholders’ equity	174,534	120,063
Total liabilities and stockholders’ equity	1,693,651	1,411,957
Non-Guarantor Subsidiaries
ASSETS
Cash and cash equivalents	1,640	1,637	888	646
Restricted cash	0	0
Accounts receivable (net of allowance of $1,278)	3	3
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	2,399	2,747
Other assets	109	380
Total assets	4,151	4,767
LIABILITIES AND STOCKHOLDERS’ EQUITY
Trade accounts payable	0	0
Other liabilities	902	1,230
Intercompany	0	0
Obligations related to land not owned under option agreements	0	0
Total debt (net of discounts of $4,590 and $5,160 respectively)	0	0
Total liabilities	902	1,230
Stockholders’ equity	3,249	3,537
Total liabilities and stockholders’ equity	4,151	4,767
Consolidating Adjustments
ASSETS
Cash and cash equivalents	(5,077)	(2,843)	(4,040)	(2,460)
Restricted cash	0	0
Accounts receivable (net of allowance of $1,278)	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	(177,783)	(123,600)
Intercompany	(1,315,800)	(1,091,696)
Other assets	0	0
Total assets	(1,498,660)	(1,218,139)
LIABILITIES AND STOCKHOLDERS’ EQUITY
Trade accounts payable	0	0
Other liabilities	0	0
Intercompany	(1,320,877)	(1,094,539)
Obligations related to land not owned under option agreements	0	0
Total debt (net of discounts of $4,590 and $5,160 respectively)	0	0
Total liabilities	(1,320,877)	(1,094,539)
Stockholders’ equity	(177,783)	(123,600)
Total liabilities and stockholders’ equity	$ (1,498,660)	$ (1,218,139)