Segment Information Total Assets (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
		Mar. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Assets, Continuing Operations		$ 1,618,680	$ 1,796,264
North America [Member]
Segment Reporting Information [Line Items]
Assets, Continuing Operations	[1]	911,882	1,063,595
EMEA [Member]
Segment Reporting Information [Line Items]
Assets, Continuing Operations		486,928	508,353
ROW [Member]
Segment Reporting Information [Line Items]
Assets, Continuing Operations		$ 219,870	$ 224,316
Assets, Total [Member]
Segment Reporting Information [Line Items]
Concentration of risk, percentage		10.00%	0.00%
United States
Segment Reporting Information [Line Items]
Assets, Continuing Operations		$ 874,300	$ 1,018,200

[1] North America contains assets from the United States of $874.3 million and $1,018.2 million as of March 31, 2016 and December 31, 2015, respectively. There were no other individual countries that represented more than 10% of consolidated total assets as of March 31, 2016 and December 31, 2015