Equity (Schedule of Changes in Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accumulated Other Comprehensive Loss [Line Items]
Accumulated other comprehensive loss, beginning balance	$ (34,004)	$ (13,286)	$ (5,501)
Activity before reclassifications, net of tax	(38,347)	(20,718)	(7,556)
Reclassifications, net of tax	0	0	(229)
Activity, net of tax	(38,347)	(20,718)	(7,785)
Accumulated other comprehensive loss, ending balance	(72,351)	(34,004)	(13,286)
Foreign Currency [Member]
Accumulated Other Comprehensive Loss [Line Items]
Accumulated other comprehensive loss, beginning balance	(28,716)	(7,998)	(105)
Activity before reclassifications, net of tax	(38,347)	(20,718)	(7,893)
Reclassifications, net of tax	0	0	0
Activity, net of tax	(38,347)	(20,718)	(7,893)
Accumulated other comprehensive loss, ending balance	(67,063)	(28,716)	(7,998)
Other [Member]
Accumulated Other Comprehensive Loss [Line Items]
Accumulated other comprehensive loss, beginning balance	(5,288)	(5,288)	(5,396)
Activity before reclassifications, net of tax	0	0	337
Reclassifications, net of tax	0	0	(229)
Activity, net of tax	0	0	108
Accumulated other comprehensive loss, ending balance	$ (5,288)	$ (5,288)	$ (5,288)