Segment Information, Revenue by Region (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) Region	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Segment Information [Abstract]
Number of geographic regions | Region	5
Revenue by Region [Abstract]
Revenue	$ 2,207,797	$ 2,247,047	$ 2,569,495
Significant Geographic Area [Member]
Revenue by Region [Abstract]
Revenue	2,207,797	2,247,047	2,569,495
Significant Geographic Area [Member] | Greater China [Member]
Revenue by Region [Abstract]
Revenue	794,393	771,667	948,523
Significant Geographic Area [Member] | North Asia [Member]
Revenue by Region [Abstract]
Revenue	692,738	686,555	782,985
Significant Geographic Area [Member] | South Asia/Pacific [Member]
Revenue by Region [Abstract]
Revenue	296,758	321,971	328,388
Significant Geographic Area [Member] | Americas [Member]
Revenue by Region [Abstract]
Revenue	276,590	329,668	329,027
Significant Geographic Area [Member] | EMEA [Member]
Revenue by Region [Abstract]
Revenue	$ 147,318	$ 137,186	$ 180,572