Goodwill (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill [Abstract].

Schedule of Changes in the Carrying Amount of Goodwill

Changes in the carrying amount of the Company’s goodwill for the years ended December 31, 2016 and 2015 were as follows:

	2016		2015
	(U.S. $ in millions)
Goodwill as of January 1,	$	383.9	$	1,323.5
Goodwill impairment charges		-		(942.4	)
Goodwill acquired		-		5.4
Translation differences		1.7		(2.7	)
Goodwill as of December 31,	$	385.6	$	383.9