Pensions DC Plans (Details) (USD $)
In Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2010
|
Dec. 31, 2009
|
Dec. 31, 2008
|
|
401(k) Savings Plan and Other Defined Contribution Plans | |||
Defined Contribution Plan Cost Recognized | $ 59.2 | $ 60.8 | $ 53.0 |