Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net income (loss)	$ 7,311	$ (130,947)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	2,770	2,507
Stock-based compensation expense	2,114	2,610
Inventory impairments and abandonments	1,007	450
Deferred and other income tax (benefit) expense	(4,070)	107,795
Gain on sale of fixed assets	(35)	(65)
Change in allowance for doubtful accounts	0	(1)
Equity in loss of unconsolidated entities	65	88
Cash distributions of income from unconsolidated entities	320	50
Non-cash loss on extinguishment of debt	0	3,173
Changes in operating assets and liabilities:
Decrease in accounts receivable	5,298	4,520
Increase in inventory	(29,722)	(83,205)
Decrease in other assets	1,430	1,252
Decrease in trade accounts payable	(26,568)	(5,949)
Decrease in other liabilities	(14,610)	(4,502)
Net cash used in operating activities	(54,690)	(102,224)
Cash flows from investing activities:
Capital expenditures	(6,354)	(3,702)
Proceeds from sale of fixed assets	54	84
Investments in unconsolidated entities	0	(421)
Net cash used in investing activities	(6,300)	(4,039)
Cash flows from financing activities:
Repayment of debt	(1,479)	(401,481)
Proceeds from issuance of new debt	0	400,000
Repayment of borrowings from credit facility	(75,000)	0
Borrowings from credit facility	100,000	0
Debt issuance costs	(400)	(5,649)
Repurchase of common stock	(16,500)	0
Tax payments for stock-based compensation awards	(1,850)	(1,322)
Other financing activities	7	0
Net cash provided by (used in) financing activities	4,778	(8,452)
Decrease in cash, cash equivalents, and restricted cash	(56,212)	(114,715)
Cash, cash equivalents, and restricted cash at beginning of period	153,248	304,609
Cash, cash equivalents, and restricted cash at end of period	$ 97,036	$ 189,894