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Accumulated Other Comprehensive Loss (Tables)
 3 Months Ended
Dec. 31, 2015
Equity [Abstract]  
Schedule for components of accumulated other comprehensive loss
The components of accumulated other comprehensive loss are as follows:
 
December 31, 
 2015
 
September 30, 
 2015
Foreign currency translation adjustment, net of tax
$
(6,178
)
 
$
(5,731
)
Retirement plan liability adjustment, net of tax
(6,064
)
 
(6,257
)
Total accumulated other comprehensive loss
$
(12,242
)
 
$
(11,988
)