Pension and Other Postretirement Benefits (Details 7)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
U.S. plans [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	5.05%	5.65%
Increase in compensation	3.71%	3.71%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	5.65%	6.20%	6.50%
Long-term rate of return	9.00%	9.00%	9.00%
Increase in compensation	3.71%	3.71%	3.71%
Non-U.S. plans [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	4.46%	4.89%
Increase in compensation	2.76%	2.72%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	4.89%	5.59%	6.02%
Long-term rate of return	5.87%	6.01%	6.03%
Increase in compensation	2.72%	2.71%	2.94%