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Condensed Consolidated Statements of Comprehensive Income (USD $)
9 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Condensed Consolidated Statements of Comprehensive Income [Abstract]    
Net income $ 8,865,000 $ 8,471,000
Other comprehensive income (loss), net of tax - foreign currency translation 96,000 (69,000)
Comprehensive income $ 8,961,000 $ 8,402,000