Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities
Net income	$ 14,626	$ 30,549
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	14,541	13,472
Amortization of deferred debt issuance costs	2,911	4,123
Bad debt and sales return reserve	519	(357)
Stock-based compensation expense	3,688	5,287
Inventory provision	4,820	5,345
Deferred income taxes	581	562
Other non-cash items	367	11
Subtotal	42,053	58,992
Changes in assets and liabilities:
Accounts receivable	(30,962)	(19,601)
Income taxes receivable	1,091	(6,160)
Inventories	(66,582)	(68,068)
Prepaid expenses and other assets	(2,500)	(2,653)
Accounts payable	9,682	(780)
Accrued expenses and other liabilities	6,034	721
Income taxes payable	5,275	3,786
Net cash used in operating activities	(35,909)	(33,763)
Cash flows from investing activities
Purchase of property and equipment	(2,909)	(4,209)
Net cash used in investing activities	(2,909)	(4,209)
Cash flows from financing activities
Proceeds from short-term borrowings	60,000	50,000
Repayment of short-term borrowings	(34,000)	(12,000)
Repayment of long-term debt	(10,000)	(11,344)
Debt issuance costs	(1,900)	(12,739)
Repayment of capital lease obligations	(1,346)	(676)
Net proceeds from exercise of stock options	34	2,965
Settlement on restricted stock tax withholding	(100)	0
Net cash provided by financing activities	12,688	16,206
Effect of foreign currency exchange rate on cash and cash equivalents	428	(1,325)
Net decrease in cash and cash equivalents	(25,702)	(23,091)
Cash and cash equivalents, beginning of period	61,625	77,061
Cash and cash equivalents, end of period	$ 35,923	$ 53,970