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Accumulated Other Comprehensive Loss (Tables)
 6 Months Ended
Mar. 31, 2015
Equity [Abstract]  
Schedule for components of accumulated other comprehensive loss
The components of accumulated other comprehensive loss are as follows:
 
March 31, 
 2015
 
September 30, 
 2014
Foreign currency translation adjustment, net of tax
$
(5,851
)
 
$
(5,851
)
Retirement plan liability adjustment, net of tax
(4,496
)
 
(4,757
)
Interest rate swap agreement adjustment, net of tax
—

 
(5
)
Total accumulated other comprehensive loss
$
(10,347
)
 
$
(10,613
)