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Composition of Certain Financial Statement Captions
 6 Months Ended
Mar. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Composition of Certain Financial Statement Captions
Composition of Certain Financial Statement Captions
The following table summarizes property and equipment, and the related accumulated depreciation and amortization, at March 31, 2018 and September 30, 2017:
 
March 31,
2018
 
September 30,
2017
 
(In thousands)
Property and equipment
$
149,877

 
$
135,360

Less: accumulated depreciation and amortization
(104,766
)
 
(94,657
)
 
$
45,111

 
$
40,703