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Income Taxes (Tables)
9 Months Ended
Jun. 30, 2012
Income Tax Disclosure [Abstract]  
Schedule of Unrecognized Tax Benefits
A reconciliation of the beginning and ending amount of unrecognized tax benefits is (in thousands):
 
 
Unrecognized tax benefits as of September 30, 2011
$
2,061

Increases related to:
 
Prior year income tax positions
631

Decreases related to:
 
Prior year income tax positions
(67
)
Expiration of statute of limitations
(83
)
Unrecognized tax benefits as of June 30, 2012
$
2,542