Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Carried at Fair Value on a Recurring Basis

The following tables summarize the Company’s financial assets and liabilities that are carried at fair value on a recurring basis, by fair value hierarchy, in its consolidated balance sheets:

	December 31, 2016
	(U.S. $ in thousands)
	Level 2			Level 3			Total
Assets:
Foreign exchange forward contracts not
designated as hedging instruments	$	1,440		$	-		$	1,440
Foreign exchange forward contracts
designated as hedging instruments		37			-			37
Liabilities:
Foreign exchange forward contracts not
designated as hedging instruments		(48	)		-			(48	)
Foreign exchange forward contracts
designated as hedging instruments		(61	)		-			(61	)
Obligations in connection with acquisitions		-			(2,619	)		(2,619	)
	$	1,368		$	(2,619	)	$	(1,251	)
	December 31, 2015
	(U.S. $ in thousands)
	Level 2			Level 3			Total
Assets:
Foreign exchange forward contracts not
designated as hedging instruments	$	866		$	-		$	866
Foreign exchange forward contracts
designated as hedging instruments		23			-			23
Liabilities:
Foreign exchange forward contracts not
designated as hedging instruments		(432	)		-			(432	)
Foreign exchange forward contracts
designated as hedging instruments		(131	)		-			(131	)
Obligations in connection with acquisitions		-			(6,991	)		(6,991	)
	$	326		$	(6,991	)	$	(6,665	)

Schedule of Reconciliation of Fair Value Measurements of Assets and Liabilities Utilizing Level 3 Inputs

The following table is a reconciliation of the change for those financial liabilities where fair value measurements are estimated utilizing Level 3 inputs, which consist of obligations in connection with acquisitions:

	2016			2015
	(U.S. $ in thousands)
Fair value as of January 1,	$	6,991		$	35,656
Settlements		(3,500	)		(4,994	)
Change in fair value recognized in earnings		(872	)		(23,671	)
Fair value as of December 31,	$	2,619		$	6,991