Stockholders' Equity (Tables)

12 Months Ended

Sep. 30, 2018

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, 2018, 2017 and 2016 (in thousands):

			Unrealized
			Gains (Losses)
	Currency		on Available-		Pension
	Translation		for-Sale		Liability
	Adjustments		Securities		Adjustments		Total
Balance at September 30, 2015	$	6,545	$	103	$	(750)	$	5,898
Other comprehensive (loss) income before reclassifications		8,844		(231)		(322)		8,291
Amounts reclassified from accumulated other comprehensive income		—		125		852		977
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 (loss) income 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