Benefit Plans Benefit Plans (Detail 5) (Details)	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount Rate	4.25%	5.25%	5.50%
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount Rate	3.10%	3.60%	3.90%
Compensation increase rate	1.75%	2.20%	2.20%