Cash, Cash Equivalents and Marketable Securities Available for Sale (Tables)

12 Months Ended

Sep. 30, 2018

Cash and Cash Equivalents [Abstract]

Summary of Cash, Cash Equivalents and Marketable Securities Available for Sale

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