Business Segments (Geographic Information on Revenues from External Customers) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	$ 3,033,080	$ 5,476,084	$ 5,390,089
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	1,260,000	2,201,500	1,798,500
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	557,300	1,052,400	1,150,200
Malaysia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	1,210,900	2,233,000	2,337,500
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
External Revenues	$ 4,900	$ (10,800)	$ 103,900