Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Operating activities
Net (loss) income	$ (59,926)	$ (104,815)	$ 30,390
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,502	9,235	16,595
Business disposition loss		7,963
Change in fair value of earn out liability			(18,390)
Stock compensation expense	12,247	12,405	12,605
Provision (benefit) for inventory allowance	2,676	(575)	271
Provision for doubtful accounts	247	1,109	151
Deferred tax expense (benefit)	26,177	(6,282)	828
Impairment of goodwill and intangible assets	18,998	147,414
Incremental tax loss (benefit) from exercise of common stock options and restricted stock	229	38	(3,805)
Changes in operating assets and liabilities:
Accounts receivable	(4,408)	12,651	2,211
Inventory	(4,776)	43,101	(49,488)
Prepaid and deferred taxes	27,057	(38,545)	(2,829)
Prepaid expenses and other assets	(160)	(1,499)	2,735
Accounts payable	232	(4,534)	(545)
Accrued expenses and other current liabilities	17,151	(18,895)	9,659
Profit-sharing distributions payable	(790)	(2,228)	425
Customer payables	(901)	(11,742)	12,046
Other liabilities	5,283	(1,310)	(1,003)
Net cash provided by operating activities	45,838	43,491	11,856
Investing activities
Cash paid in divestiture		(2,372)
Cash paid for acquisitions and increase in intangibles	(62)	(137)	(141)
Purchases of property and equipment, including capitalized software	(6,090)	(7,312)	(7,539)
Net cash used in investing activities	(6,152)	(9,821)	(7,680)
Financing activities
Repurchases of common stock			(44,873)
Proceeds from exercise of common stock options (net of tax)	9	106	4,146
Incremental tax benefit from exercise of common stock options and restricted stock	(229)	(38)	3,805
Net cash (used in) provided by financing activities	(220)	68	(36,922)
Effect of exchange rate differences on cash and cash equivalents	(418)	(871)	235
Net increase (decrease) in cash and cash equivalents	39,048	32,867	(32,511)
Cash and cash equivalents at beginning of period	95,465	62,598	95,109
Cash and cash equivalents at end of period	134,513	95,465	62,598
Supplemental disclosure of cash flow information
Cash received (paid) for income taxes	$ 33,966	$ (5,678)	$ (18,108)