Fair Value Measurements (Tables)

6 Months Ended

Mar. 30, 2019

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping

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

	March 30, 2019
	Level 1		Level 2		Level 3		Total
	(in thousands)
Financial assets:
Cash equivalents	$	97,748	$	—	$	—	$	97,748
Marketable securities
Commercial paper	—		1,975		—		1,975
Corporate notes/bonds	53,439		—		—		53,439
U.S. government agency securities	—		1,001		—		1,001
Forward contracts	—		3,900		—		3,900
	$	151,187	$	6,876	$	—	$	158,063
Financial liabilities:
Contingent consideration related to acquisitions	$	—	$	—	$	—	$	—
Forward contracts	—		3,014		—		3,014
	$	—	$	3,014	$	—	$	3,014

	September 30, 2018
	Level 1		Level 2		Level 3		Total
	(in thousands)
Financial assets:
Cash equivalents	$	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 to acquisitions	$	—	$	—	$	1,575	$	1,575
Forward contracts	—		3,419		—		3,419
	$	—	$	3,419	$	1,575	$	4,994

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

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

	Contingent Consideration
	(in thousands)
	Other
Balance, October 1, 2018	$	1,575
Payment of contingent consideration	(1,575		)
Balance, March 30, 2019	$	—

	Contingent Consideration
	(in thousands)
	Kepware			Other		Total
Balance, October 1, 2017	$	8,400		$	—	$	8,400
Addition to contingent consideration	—			2,100		2,100
Payment of contingent consideration	(3,757		)	—		(3,757		)
Balance, March 31, 2018	$	4,643		$	2,100	$	6,743