Restructuring Restructuring Related Balance Sheet Activity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2014			$ 36,341
Costs incurred and charged to expense	(7,793)	3,385	(2,269)	4,398
Cash payments			(9,103)
Non-cash items			0
Effect of change in exchange rates			(375)
Ending balance, June 30, 2014	24,594		24,594
Accrued Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2014			32,709
Costs incurred and charged to expense			(4,722)
Cash payments			(7,903)
Non-cash items			0
Effect of change in exchange rates			(456)
Ending balance, June 30, 2014	19,628		19,628
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, June 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			2,453
Cash payments			(1,200)
Non-cash items			0
Effect of change in exchange rates			81
Ending balance, June 30, 2014	$ 4,966		$ 4,966