Segment Reporting Revenue from External Customers by Products and Services (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue from External Customer [Line Items]
Revenue, Net	$ 686,672	$ 1,085,304	$ 1,166,674
UNITED STATES
Revenue from External Customer [Line Items]
Revenue, Net	176,402	284,209	289,866
Americas [Member]
Revenue from External Customer [Line Items]
Revenue, Net	140,629	180,070	177,602
Asia Pacific [Member]
Revenue from External Customer [Line Items]
Revenue, Net	84,287	192,230	220,945
Europe Middle East Africa [Member]
Revenue from External Customer [Line Items]
Revenue, Net	$ 285,354	$ 428,795	$ 478,261