|
Intangible Assets and Goodwill (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Dec. 31, 2014
|
|
| Finite-Lived Intangible Assets [Line Items] | |||
| Weighted average life | 10 years 11 months | ||
| Amortization of acquired intangible assets | $ 65.1 | $ 67.1 | |
| Goodwill | 2,191.2 | 2,191.2 | |
| Minimum | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Amortization | 215.3 | ||
| Maximum | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Amortization | $ 260.1 | ||