|
Derivative Notional Amounts (Details) (USD $)
In Millions, unless otherwise specified |
Mar. 31, 2015
|
Dec. 31, 2014
|
|---|---|---|
| Foreign Exchange Contract [Member] | ||
| Notional Disclosures [Abstract] | ||
| Derivative, notional amount | $ 1,020.2 | $ 1,132.3 |
| Commodity Contract (MMbtu) [Member] | ||
| Notional Disclosures [Abstract] | ||
| Nonmonetary derivative notional amount | 36,300,000 | 24,400,000 |