|
Debt Redemptions (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | 3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
|
Dec. 31, 2010
|
Apr. 02, 2011
Senior Subordinated Convertible Notes 3.25% due 2024 [Member]
|
Dec. 31, 2010
Floating Rate Convertible Senior Debentures due 2033 [Member]
|
Dec. 31, 2010
Senior Subordinated Notes 6.125% Due 2015 [Member]
|
Dec. 31, 2010
Senior Convertible Notes 2.50% Due 2023 [Member]
|
|
| Extinguishment of Debt [Line Items] | |||||
| Extinguishment of Debt, Amount | $ 329.0 | $ 326.0 | $ 13.0 | ||
| Extinguishment of Debt, Total Cash Outlay | 452.0 | 573.0 | 515.0 | 28.0 | |
| Gains (Losses) On Extinguishment Of Debt | $ (17.0) | $ (15.0) | |||