|
Supplemental Cash Flow Information (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Supplemental Cash Flow [Line Items] | ||
| Capital expenditures included in current liabilities | $ 98.8 | $ 58.9 |
| Cash paid for interest, net of interest capitalized amounts | 15.6 | 0.3 |
| Cash paid for income taxes | $ 0 | $ 20.6 |