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Cash, Cash Equivalents and Marketable Securities Available for Sale
12 Months Ended
Sep. 30, 2018
Cash and Cash Equivalents [Abstract]  
Cash, Cash Equivalents and Marketable Securities Available for Sale
Cash, Cash Equivalents and Marketable Securities
The following is a summary of cash, cash equivalents and marketable securities at September 30, 2018 and 2017: 
 
September 30, 2018
 
September 30, 2017
 
Amortized
Cost
 
Fair Value
 
Amortized
Cost
 
Fair Value
 
(In thousands)
Cash and Cash Equivalents:
 
 
 
 
 
 
 
Cash
$
71,610

 
$
71,610

 
$
90,323

 
$
90,323

Money market funds
13,813

 
13,813

 
6,471

 
6,471

Bank time deposits
4,600

 
4,600

 
8,824

 
8,824

Total
$
90,023

 
$
90,023

 
$
105,618

 
$
105,618

Long-term Marketable Securities:
 
 
 
 
 
 
 
Marketable securities
$
14,313

 
$
18,059

 
$
10,788

 
$
13,791



The assets included in marketable securities represent long-term marketable equity securities held under a supplemental retirement and savings plan for senior management employees, which are distributed upon termination or retirement of the employees. These investments are treated as trading securities and recorded at fair value.