Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment, net consisted of the following:

	December 31,			December 31,
	2016			2015
	(U.S. $ in thousands)
Machinery and equipment	$	128,187		$	114,049
Buildings and improvements		121,970			104,818
Computer equipment and software		48,917			48,249
Office equipment, furniture and fixtures		16,393			16,400
Land		19,591			19,674
		335,058			303,190
Accumulated depreciation		(131,327	)		(111,348	)
		203,731			191,842
Construction work in progress		4,684			10,092
	$	208,415		$	201,934