Restructuring Restructuring Related Balance Sheet Activity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2013			$ 17,714
Costs incurred and charged to expense	28,379	(5,054)	32,777	3,455
Cash payments			(8,451)
Non-cash items			(27)
Effect of change in exchange rates			164
Ending balance, September 30, 2013	42,177		42,177
Accrued Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2013			14,498
Costs incurred and charged to expense			30,805
Cash payments			(6,783)
Non-cash items			0
Effect of change in exchange rates			195
Ending balance, September 30, 2013	38,715		38,715
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2013			0
Costs incurred and charged to expense			27
Cash payments			0
Non-cash items			(27)
Effect of change in exchange rates			0
Ending balance, September 30, 2013	0		0
Other Accrued Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2013			3,216
Costs incurred and charged to expense			1,945
Cash payments			(1,668)
Non-cash items			0
Effect of change in exchange rates			(31)
Ending balance, September 30, 2013	$ 3,462		$ 3,462