Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Cash flows from operating activities
Consolidated net income	$ 5,446		$ 2,488
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,670		1,400
Stock-based compensation	1,491		1,440
Excess tax benefits from share-based compensation	(510)		0
Amortization of intangibles	409		401
Gain on sale of investments	(3,121)		0
Equity in net loss of affiliate	100		79
Net foreign currency transaction (gains) losses	(263)		30
Deferred tax assets	280		580
Other non-cash items	17		23
Net effect of changes in current and other assets and current liabilities	(4,832)		1,653
Net cash provided by operating activities	687		8,094
Cash flows from investing activities
Acquisition of property and equipment	(6,336)		(8,754)
Acquisition of noncontrolling interest in consolidated subsidiary	(199)		0
Purchases of available-for-sale securities	(267)		(3,359)
Sales of available-for-sale securities	7,278		3,079
Cash provided by (used in) investing activities	476		(9,034)
Cash flows from financing activities
Repurchases and retirement of common stock	(341)		(537)
Proceeds from issuance of stock through compensation plans	2,550		667
Excess tax benefit from share-based compensation	510		0
Proceeds from borrowings	0		4,875
Principal payments of long-term obligations	(49)		0
Cash provided by financing activities	2,670		5,005
Effect of exchange rate changes on cash and cash equivalents	(431)		235
Net increase in cash and cash equivalents	3,402		4,300
Cash and cash equivalents at beginning of period	119,997	[1]	75,497
Cash and cash equivalents at end of period	$ 123,399		$ 79,797

[1] Derived from audited financial statements.