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Income Taxes (Tables)
 6 Months Ended
Mar. 31, 2014
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, 2013
$
3,332

Decreases related to:
 
Prior year income tax positions
(1,060
)
Settlements
(94
)
Expiration of statute of limitations
(160
)
Unrecognized tax benefits as of March 31, 2014
$
2,018