Equity (Schedule of Changes in Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Accumulated Other Comprehensive Loss [Line Items]
Accumulated other comprehensive loss, beginning balance	$ (13,286)	$ (5,501)	$ (7,946)
Activity before reclassifications, net of tax	(20,718)	(7,556)	2,445
Reclassifications, net of tax	0	(229)	0
Other comprehensive (loss) income, net of tax	(20,718)	(7,785)	2,445
Accumulated other comprehensive loss, ending balance	(34,004)	(13,286)	(5,501)
Foreign Currency [Member]
Accumulated Other Comprehensive Loss [Line Items]
Accumulated other comprehensive loss, beginning balance	(7,998)	(105)	(2,029)
Activity before reclassifications, net of tax	(20,718)	(7,893)	1,924
Reclassifications, net of tax	0	0	0
Other comprehensive (loss) income, net of tax	(20,718)	(7,893)	1,924
Accumulated other comprehensive loss, ending balance	(28,716)	(7,998)	(105)
Other [Member]
Accumulated Other Comprehensive Loss [Line Items]
Accumulated other comprehensive loss, beginning balance	(5,288)	(5,396)	(5,917)
Activity before reclassifications, net of tax	0	337	521
Reclassifications, net of tax	0	(229)	0
Other comprehensive (loss) income, net of tax	0	108	521
Accumulated other comprehensive loss, ending balance	$ (5,288)	$ (5,288)	$ (5,396)