Stockholders' Equity (Tables)

12 Months Ended

Sep. 30, 2019

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income

The following is a summary of the components of accumulated other comprehensive income, net of tax, at September 30, 2019, 2018 and 2017 (in thousands):

			Unrealized
			Gains (Losses)
	Currency		on Available-		Pension
	Translation		for-Sale		Liability
	Adjustments		Securities		Adjustments		Total
Balance at September 30, 2016	$	15,389	$	(3)	$	(220)	$	15,166
Other comprehensive income (loss) before reclassifications		(221)		(10)		514		283
Amounts reclassified from accumulated other comprehensive income		—		12		(248)		(236)
Balance at September 30, 2017		15,168		(1)		46		15,213
Other comprehensive income (loss) before reclassifications		(1,651)		(110)		124		(1,637)
Amounts reclassified from accumulated other comprehensive income		—		(1)		12		11
Balance at September 30, 2018		13,517		(112)		182		13,587
Other comprehensive (loss) income before reclassifications		(9,333)		244		(882)		(9,971)
Amounts reclassified from accumulated other comprehensive income		—		(140)		35		(105)
Balance at September 30, 2019	$	4,184	$	(8)	$	(665)	$	3,511