Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net income	$ 2,746	$ 7,311
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,427	2,770
Stock-based compensation expense	2,311	2,114
Inventory impairments and abandonments	0	1,007
Deferred and other income tax benefit	(228)	(4,070)
Gain on sale of fixed assets	(63)	(35)
Change in allowance for doubtful accounts	9	0
Equity in loss of unconsolidated entities	13	65
Cash distributions of income from unconsolidated entities	0	320
Changes in operating assets and liabilities:
Decrease in accounts receivable	6,947	5,298
Decrease in income tax receivable	303	0
Increase in inventory	(68,999)	(29,722)
Decrease in other assets	1,978	1,430
Decrease in trade accounts payable	(20,999)	(26,568)
Decrease in other liabilities	(11,975)	(14,610)
Net cash used in operating activities	(84,530)	(54,690)
Cash flows from investing activities:
Capital expenditures	(2,632)	(6,354)
Proceeds from sale of fixed assets	66	54
Return of capital from unconsolidated entities	19	0
Net cash used in investing activities	(2,547)	(6,300)
Cash flows from financing activities:
Repayment of debt	(1,150)	(1,479)
Repayment of borrowings from credit facility	(95,000)	(75,000)
Borrowings from credit facility	125,000	100,000
Debt issuance costs	0	(400)
Repurchase of common stock	0	(16,500)
Tax payments for stock-based compensation awards	(2,646)	(1,850)
Stock option exercises and other financing activities	(1,885)	7
Net cash provided by financing activities	24,319	4,778
Decrease in cash, cash equivalents, and restricted cash	(62,758)	(56,212)
Cash, cash equivalents, and restricted cash at beginning of period	122,794	153,248
Cash, cash equivalents, and restricted cash at end of period	$ 60,036	$ 97,036