Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

Our significant financial assets and liabilities measured at fair value on a recurring basis as of September 30, 2019 and 2018 were as follows:

(in thousands)	September 30, 2019
	Level 1		Level 2		Level 3		Total
Financial assets:
Cash equivalents (1)	$	108,020	$	—	$	—	$	108,020
Marketable securities:
Commercial paper	—		999		—		999
Corporate notes/bonds	56,436		—		—		56,436
Forward contracts	—		3,064		—		3,064
	$	164,456	$	4,063	$	—	$	168,519
Financial liabilities:
Forward contracts	—		2,771		—		2,771
	$	—	$	2,771	$	—	$	2,771

(in thousands)	September 30, 2018
	Level 1		Level 2		Level 3		Total
Financial assets:
Cash equivalents (1)	$	93,058	$	—	$	—	$	93,058
Marketable securities:
Certificates of deposit	—		219		—		219
Corporate notes/bonds	54,737		—		—		54,737
U.S. government agency securities	—		995		—		995
Forward contracts	—		2,889		—		2,889
	$	147,795	$	4,103	$	—	$	151,898
Financial liabilities:
Contingent consideration related acquisitions	$	—	$	—	$	1,575	$	1,575
Forward contracts	—		3,419		—		3,419
	$	—	$	3,419	$	1,575	$	4,994

(1) Money market funds and time deposits.

Changes in fair value of contingent consideration

Changes in the fair value of Level 3 contingent consideration liability associated with our acquisitions was as follows:

(in thousands)	Contingent Consideration
	Kepware			Other			Total
Balance at September 30, 2017	$	8,400		$	—		$	8,400
Contingent consideration at acquisition	—			2,100			2,100
Payment of contingent consideration	(8,400		)	(525		)	(8,925		)
Balance at September 30, 2018	$	—		$	1,575		$	1,575
Payment of contingent consideration	—			(1,575		)	(1,575		)
Balance at September 30, 2019	$	—		$	—		$	—