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Capitalized software
 12 Months Ended
Sep. 30, 2016
Capitalized software  
Capitalized software
Capitalized software
Capitalized software consists of the following (in thousands):
 
As of September 30,
 
2016
 
2015
Capitalized software
$
80,646

 
$
73,584

Less: Accumulated amortization
(50,507
)
 
(41,101
)
Capitalized software, net
$
30,139

 
$
32,483


Amortization expense for the years ended September 30, 2016, 2015 and 2014 was $9.2 million, $9.9 million and $9.9 million, respectively.