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Comprehensive Income
9 Months Ended
Jun. 30, 2011
Comprehensive Income [Abstract]  
COMPREHENSIVE INCOME
2. COMPREHENSIVE INCOME
Comprehensive income is comprised of net income, foreign currency translation adjustments and unrealized gain (loss) on available-for-sale marketable securities, net of tax. Comprehensive income was (in thousands):
                                 
    Three months ended June 30,     Nine months ended June 30,  
    2011     2010     2011     2010  
Net income
  $ 3,615     $ 3,812     $ 8,170     $ 6,697  
Other comprehensive income (loss):
                               
Change in foreign currency translation adjustment
    202       (1,745 )     971       (4,591 )
Change in net unrealized loss on investments
    (7 )     (34 )     (48 )     (27 )
Less income tax benefit
    3       13       19       10  
Reclassification of gain included in net income
                      (36 )
Less income tax benefit
                      14  
 
                       
Comprehensive income
  $ 3,813     $ 2,046     $ 9,112     $ 2,067