Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating Activities:
Net income	$ 7,341	$ 10,590
Adjustments to reconcile net income to net cash provided by operating activities from continuing operations:
Depreciation and amortization	3,703	2,083
Stock-based compensation	2,729	1,841
Contingent consideration expense and unrealized foreign exchange loss	1,369
Deferred taxes	(114)	450
Gain on sales of available-for-sale securities and strategic investments	(377)	(496)
Excess tax benefit from stock-based compensation plans	(67)	(436)
Other	(15)	(42)
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	1,999	(1,244)
Inventories	(112)	(647)
Prepaids and other	45	66
Accounts payable and accrued liabilities	746	132
Income taxes	1,253	(221)
Net cash provided by operating activities from continuing operations	18,500	12,076
Investing Activities:
Purchases of property and equipment	(4,869)	(396)
Cash proceeds from sales of property and equipment	15	42
Payments for acquisitions, net of cash acquired	(25,054)
Purchases of available-for-sale securities	(9,562)	(3,377)
Sales and maturities of available-for-sale securities		22,199
Cash received from sale of strategic investments	377	21
Cash transferred to discontinued operations		(45)
Net cash (used in) provided by investing activities from continuing operations	(39,093)	18,444
Financing Activities:
Excess tax benefit from stock-based compensation plans	67	436
Issuance of common stock	284	451
Repurchase of common stock		(20,000)
Purchase of common stock to pay employee taxes	(371)	(810)
Payment of contingent consideration	(305)
Net cash used in financing activities from continuing operations	(325)	(19,923)
Net cash (used in) provided by continuing operations	(20,918)	10,597
Discontinued Operations:
Net cash used in operating activities		(45)
Net cash provided by financing activities		45
Effect of exchange rate changes on cash	(14)
Net change in cash and cash equivalents	(20,932)	10,597
Cash and Cash Equivalents:
Beginning of period	55,588	43,511
End of period	34,656	54,108
Supplemental Information:
Cash paid for income taxes	4,313	4,651
Noncash transactions from investing and financing activities:
Acquisition of property and equipment on account	133	113
Contingent consideration and debt assumed in acquisitions	13,597
Issuance of performance shares, restricted and deferred stock units	$ 1,390	$ 2,250