|
Non-Cash Activities (Details) (USD $)
In Millions, unless otherwise specified |
Jun. 30, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Nonmonetary Transactions [Abstract] | ||
| Expenditures included in construction trade payables | $ 5.6 | $ 14.7 |
| X | ||||||||||
|
- Definition
Expenditures Included In Construction Trade Payables No definition available.
|
| X | ||||||||||
|
- Details
|