Fair Value Measurements (Tables)

6 Months Ended

Apr. 01, 2017

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 April 1, 2017 and September 30, 2016 were as follows:

	April 1, 2017
	Level 1		Level 2		Level 3		Total
	(in thousands)
Financial assets:
Cash equivalents	$	62,889	$	—	$	—	$	62,889
Marketable securities
Certificates of deposit	—		682		—		682
Commercial paper	—		7,490		—		7,490
Corporate notes/bonds	37,617		—		—		37,617
U.S. government agency securities	—		2,402		—		2,402
Forward contracts	—		1,607		—		1,607
	$	100,506	$	12,181	$	—	$	112,687
Financial liabilities:
Contingent consideration related to acquisitions	$	—	$	—	$	16,668	$	16,668
Forward contracts	—		2,762		—		2,762
	$	—	$	2,762	$	16,668	$	19,430

	September 30, 2016
	Level 1		Level 2		Level 3		Total
	(in thousands)
Financial assets:
Cash equivalents	$	60,139	$	—	$	—	$	60,139
Marketable securities
Certificates of deposit	—		681		—		681
Commercial paper	—		11,925		—		11,925
Corporate notes/bonds	34,601		—		—		34,601
U.S. government agency securities	—		2,409		—		2,409
Forward contracts	—		260		—		260
	$	94,740	$	15,275	$	—	$	110,015
Financial liabilities:
Contingent consideration related to acquisitions	$	—	$	—	$	19,570	$	19,570
Forward contracts	—		3,170		—		3,170
	$	—	$	3,170	$	19,570	$	22,740

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 of ColdLight and Kepware were as follows:

	Contingent Consideration
	(in thousands)
	ColdLight			Kepware			Total
Balance, October 1, 2016	$	2,500		$	17,070		$	19,570
Change in present value of contingent consideration	—			148			148
Payment of contingent consideration	(1,250		)	(1,800		)	(3,050		)
Balance, April 1, 2017	$	1,250		$	15,418		$	16,668

	Contingent Consideration
	(in thousands)
	ThingWorx		ColdLight			Kepware		Total
Balance, October 1, 2015	$	9,000	$	4,000		$	—	$	13,000
Addition to contingent consideration	—		—			16,900		16,900
Change in present value of contingent consideration	—		540			—		540
Payment of contingent consideration	—		(1,250		)	—		(1,250		)
Balance, April 2, 2016	$	9,000	$	3,290		$	16,900	$	29,190