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Commitments (Tables)
 12 Months Ended
Sep. 30, 2012
Leases, Operating [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases
The following schedule reflects future minimum rental commitments under noncancelable operating leases (in thousands):
Fiscal year
Amount
2013
$
2,390

2014
1,684

2015
1,053

2016
564

2017
152

Thereafter
1

Total minimum payments required
$
5,844
Schedule of Rent Expense
The following schedule shows the composition of total rental expense for all operating leases for the years ended September 30 (in thousands):
 
Fiscal years ended September 30,
 
2012
 
2011
 
2010
Rentals
$
3,093

 
$
3,275

 
$
3,447

Less: sublease rentals
(41
)
 
(17
)
 
—

Total rental expense
$
3,052

 
$
3,258

 
$
3,447