Restructuring Related Balance Sheet Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2016			$ 29,581
Costs charged to expense	$ 40,679	$ 587	41,294	$ (8,828)
Cash payments			(15,807)
Non-cash items			(5,153)
Effect of change in exchange rates			(100)
Ending balance, September 30, 2016	49,815		49,815
Accrued Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2016			26,533
Costs charged to expense			34,919
Cash payments			(14,476)
Non-cash items			0
Effect of change in exchange rates			(95)
Ending balance, September 30, 2016	46,881		46,881
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2016			0
Costs charged to expense			5,153
Cash payments			0
Non-cash items			(5,153)
Effect of change in exchange rates			0
Ending balance, September 30, 2016	0		0
Other Accrued Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2016			3,048
Costs charged to expense			1,222
Cash payments			(1,331)
Non-cash items			0
Effect of change in exchange rates			(5)
Ending balance, September 30, 2016	$ 2,934		$ 2,934