Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Statement of Cash Flows [Abstract]
Income Loss from Unconsolidated Entities	$ 233	$ 71
Cash flows from operating activities:
Net income (loss)	(1,841)	5,547
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	9,139	9,434
Stock-based compensation expense	7,327	5,844
Inventory impairments and abandonments	752	15,098
Deferred and other income tax (benefit) expense	(2,404)	619
Write-off of deposit on legacy land investment	2,700	0
Gain on sale of fixed assets	(123)	(893)
Change in allowance for doubtful accounts	(178)	(186)
Cash distributions of income from unconsolidated entities	138	99
Non-cash loss on extinguishment of debt	3,676	155
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable	13,588	(13,340)
(Increase) decrease in income tax receivable	(88)	198
Increase in inventory	(70,770)	(35,298)
Increase in other assets	(1,970)	(1,405)
Increase (decrease) in trade accounts payable	14,986	(4,090)
Decrease in other liabilities	(14,607)	(12,580)
Net cash used in operating activities	(39,908)	(30,869)
Cash flows from investing activities:
Capital expenditures	(8,661)	(9,718)
Proceeds from sale of fixed assets	126	2,549
Investments in unconsolidated entities	(3,005)	(3,138)
Return of capital from unconsolidated entities	1,621	1,142
Increases in restricted cash	(7,484)	(4,679)
Decreases in restricted cash	9,154	24,734
Net cash (used in) provided by investing activities	(8,249)	10,890
Cash flows from financing activities:
Repayment of debt	(257,173)	(239,312)
Proceeds from issuance of new debt	250,000	137,900
Repayment of borrowings from credit facility	25,000	50,000
Borrowings from credit facility	25,000	50,000
Debt issuance costs	(4,757)	(2,545)
Other financing activities	(403)	(438)
Net cash used in financing activities	(12,333)	(104,395)
Decrease in cash and cash equivalents	(60,490)	(124,374)
Cash and cash equivalents at beginning of period	228,871	251,583
Cash and cash equivalents at end of period	$ 168,381	$ 127,209