Restructuring Restructuring Related Balance Sheet Activity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2014			$ 36,341
Costs incurred and charged to expense	58	28,379	(2,211)	32,777
Cash payments			(13,349)
Non-cash items			0
Effect of change in exchange rates			(1,638)
Ending balance, September 30, 2014	19,143		19,143
Accrued Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2014			32,709
Costs incurred and charged to expense			(5,495)
Cash payments			(11,177)
Non-cash items			0
Effect of change in exchange rates			(1,529)
Ending balance, September 30, 2014	14,508		14,508
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2014			0
Costs incurred and charged to expense			0
Cash payments			0
Non-cash items			0
Effect of change in exchange rates			0
Ending balance, September 30, 2014	0		0
Other Accrued Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2014			3,632
Costs incurred and charged to expense			3,284
Cash payments			(2,172)
Non-cash items			0
Effect of change in exchange rates			(109)
Ending balance, September 30, 2014	$ 4,635		$ 4,635