Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2018

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, in its consolidated balance sheets:

	March 31, 2018			December 31, 2017
	(U.S. $ in thousands)
Assets:
Foreign exchange forward contracts not designated as hedging instruments	$	158		$	90
Foreign exchange forward contracts designated as hedging instruments		24			263
Liabilities:
Foreign exchange forward contracts not designated as hedging instruments		(1,140	)		(921	)
Foreign exchange forward contracts designated as hedging instruments		(20	)		-
	$	(978	)	$	(568	)