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Condensed Consolidated Statements of Comprehensive Income (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Net income $ 1,230 $ 724
Other comprehensive income (loss), net of tax:    
Foreign currency translation adjustment (289) (1,783)
Net unrealized gain on investments, net of related tax effect of ($1) and ($9), respectively 1 14
Reclassification of realized loss included in net income, net of related tax effect of ($0) and ($5), respectively 0 7
Other comprehensive loss, net of tax (288) (1,762)
Comprehensive income (loss) $ 942 $ (1,038)