Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Cash flows from operating activities
Consolidated net income	$ 4,367		$ 14,404
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,336		3,724
Stock-based compensation	2,790		3,046
Excess tax benefits from share-based compensation	0		(658)
Amortization of intangibles	694		818
Gain on sale of investments	0		(9,160)
Equity in net loss of affiliate	54		139
Net foreign currency transaction gains	(83)		(456)
Deferred tax assets	(473)		224
Other non-cash items	47		35
Net effect of changes in current and other assets and current liabilities	(6,941)		(14,925)
Net cash (used in) provided by operating activities	4,791		(2,809)
Cash flows from investing activities
Acquisition of property and equipment	(3,722)		(8,310)
Acquisition of noncontrolling interest in consolidated subsidiary	0		(199)
Payment of license fees	(5,779)		(6,000)
Increase in restricted cash	(18,168)		(1,000)
Purchases of available-for-sale securities	(1,176)		(1,218)
Sales of available-for-sale securities	1,216		18,190
Net cash provided by (used in) investing activities	(27,629)		1,463
Cash flows from financing activities
Repurchases and retirement of common stock	(497)		(350)
Proceeds from issuance of stock through compensation plans	6,759		7,316
Dividends Paid	(3,748)		0
Excess tax benefit from share-based compensation	0		658
Principal payments of long-term obligations	(98)		(98)
Net cash provided by financing activities	2,416		7,526
Effect of exchange rate changes on cash and cash equivalents	(2,109)		(1,398)
Net increase (decrease) in cash and cash equivalents	(22,531)		4,782
Cash and cash equivalents at beginning of period	137,534	[1]	119,997
Cash and cash equivalents at end of period	$ 115,003		$ 124,779

[1] Derived from audited financial statements.