Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment, net consisted of the following

	December 31,			December 31,
	2014			2013
	(U.S. $ in thousands)
Machinery and equipment	$	95,558		$	$ 58,443
Buildings and improvements		53,171			34,820
Computer equipment and software		40,556			31,103
Office equipment, furniture and fixtures		14,559			9,930
Land		11,102			11,121
		214,946			145,417
Accumulated depreciation		(84,228	)		(61,439	)
		130,718			83,978
Capital work-in-progress		26,318			7,027
	$	157,036		$	$ 91,005