Restructuring Restructuring Related Balance Sheet Activity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 28,567
Costs incurred and charged to expense	789	0
Cash payments	(3,835)
Non-cash items	0
Effect of change in exchange rates	786
Ending balance	26,307
Accrued Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	28,168
Costs incurred and charged to expense	539
Cash payments	(3,337)
Non-cash items	0
Effect of change in exchange rates	786
Ending balance	26,156
Asset Impairment and Net Loss (Gain) on Sale or Disposal [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	0
Costs incurred and charged to expense	0
Cash payments	0
Non-cash items	0
Effect of change in exchange rates	0
Ending balance	0
Other Accrued Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	399
Costs incurred and charged to expense	250
Cash payments	(498)
Non-cash items	0
Effect of change in exchange rates	0
Ending balance	$ 151