Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Sep. 30, 2018

Stockholders Equity Note [Abstract]

Accumulated Other Comprehensive Income (Loss)

Accumulated other comprehensive income (loss) consisted of the following (in thousands):

	UnrealizedGains (Losses) on Available-for-Sale Securities			Foreign Currency Translation Adjustments			Total
Balance at October 1, 2015	$	(3	)	$	(12,942	)	$	(12,945	)
Other comprehensive loss		(12	)		(2,984	)		(2,996	)
Balance at September 30, 2016		(15	)		(15,926	)		(15,941	)
Other comprehensive income (loss)		(43	)		1,754			1,711
Balance at September 30, 2017		(58	)		(14,172	)		(14,230	)
Other comprehensive loss		(24	)		(1,365	)		(1,389	)
Balance at September 30, 2018	$	(82	)	$	(15,537	)	$	(15,619	)