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Fair Value Measurements (Tables)
6 Months Ended
Mar. 31, 2020
Fair Value Disclosures [Abstract]  
Financial Assets Measured on a Recurring Basis
The following tables represent financial assets that we measured at fair value on a recurring basis at March 31, 2020 and September 30, 2019:
March 31, 2020
Active Markets for
Identical Instruments
(Level 1)
 
Fair Value as of March 31, 2020
 
(In thousands)
Assets:
 
 
 
Cash equivalents (1)
$
25,166

 
$
25,166

Marketable securities (2)
19,544

 
19,544

Total
$
44,710

 
$
44,710

 
 
 
 
September 30, 2019
Active Markets for
Identical Instruments
(Level 1)
 
Fair Value as of September 30, 2019
 
(In thousands)
Assets:
 
 
 
Cash equivalents (1)
$
28,901

 
$
28,901

Marketable securities (2)
20,222

 
20,222

Total
$
49,123

 
$
49,123

(1)
Included in cash and cash equivalents on our condensed consolidated balance sheets at March 31, 2020 and September 30, 2019. Not included in these tables are cash deposits of $83.8 million and $77.5 million at March 31, 2020 and September 30, 2019, respectively.
(2)
Represents securities held under a supplemental retirement and savings plan for senior management employees, which are distributed upon termination or retirement of the employees. Included in marketable securities on our condensed consolidated balance sheets at March 31, 2020 and September 30, 2019.