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Cash, Cash Equivalents and Marketable Securities (Tables)

12 Months Ended

Sep. 30, 2021

Cash and Cash Equivalents [Abstract]

Cash, Cash Equivalents and Investments

The following is a summary of cash, cash equivalents and marketable securities at September 30, 2021 and 2020: 

			September 30, 2021												September 30, 2020
			Amortized Cost						Fair Value						Amortized Cost						Fair Value
			(In thousands)
Cash and Cash Equivalents:
Cash			$	195,160					$	195,160					$	122,119					$	122,119
Money market funds			194						194						35,275						35,275
Total			$	195,354					$	195,354					$	157,394					$	157,394
Long-term Marketable Securities:
Marketable securities			$	23,836					$	31,884					$	20,195					$	25,513

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Tabular disclosure of the components of cash, cash equivalents, and investments.

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