Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net loss	$ (93,551)	$ (119,389)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	5,670	5,573
Stock-based compensation expense	4,294	5,208
Inventory impairments and abandonments	148,618	450
Deferred and other income tax (benefit) expense	(42,392)	108,668
Gain on sale of fixed assets	(75)	(114)
Change in allowance for doubtful accounts	(5)	16
Equity in income of unconsolidated entities	(16)	(171)
Cash distributions of income from unconsolidated entities	325	116
Non-cash (gain) loss on extinguishment of debt	(216)	3,173
Changes in operating assets and liabilities:
Decrease in accounts receivable	6,166	6,124
Increase in income tax receivable	0	(24)
Increase in inventory	(88,491)	(132,683)
Decrease in other assets	3,036	2,914
(Decrease) increase in trade accounts payable	(1,029)	13,659
Decrease in other liabilities	(25,368)	(9,705)
Net cash used in operating activities	(83,034)	(116,185)
Cash flows from investing activities:
Capital expenditures	(11,508)	(8,192)
Proceeds from sale of fixed assets	94	133
Acquisition, net of cash acquired	(4,088)	0
Investments in unconsolidated entities	0	(421)
Net cash used in investing activities	(15,502)	(8,304)
Cash flows from financing activities:
Repayment of debt	(5,062)	(401,497)
Proceeds from issuance of new debt	0	400,000
Repayment of borrowings from credit facility	(150,000)	(25,000)
Borrowings from credit facility	225,000	25,000
Debt issuance costs	(400)	(5,743)
Repurchase of common stock	(24,004)	0
Tax payments for stock-based compensation awards	(1,886)	(1,323)
Stock option exercises	278	13
Net cash provided by (used in) financing activities	43,926	(8,550)
Decrease in cash, cash equivalents, and restricted cash	(54,610)	(133,039)
Cash, cash equivalents, and restricted cash at beginning of period	153,248	304,609
Cash, cash equivalents, and restricted cash at end of period	$ 98,638	$ 171,570