|
Acquisitions - Narratives (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2012
|
Sep. 30, 2011
|
|
| Business Acquisition [Line Items] | ||||
| Sales Revenue, Net | $ 979.0 | $ 995.8 | $ 2,912.9 | $ 2,888.4 |