Retirement Benefits (Weighted Average Assumptions Used To Determine Net Periodic Benefit Cost Of Plans) (Details)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.20%	5.80%	6.30%
Expected return on plan assets	8.25%	8.50%	8.50%
Rate of compensation increase	3.90%	3.89%	4.00%
Non-U.S. Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.35%	5.88%	5.73%
Expected return on plan assets	6.17%	6.28%	6.05%
Rate of compensation increase	3.37%	3.35%	3.17%