|
CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
In Millions, except Share data, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Accumulated depreciation on vessels and equipment | $ 251.4 | $ 203.6 |
| Common stock, shares authorized | 300,000,000 | 300,000,000 |
| Common stock, shares outstanding | 83,591,030 | 83,591,030 |
|
Class A [Member]
|
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| Common stock, shares authorized | 200,000,000 | |
| Common stock, shares issued | 71,100,000 | 71,100,000 |
| Common stock, shares outstanding | 71,100,000 | 71,100,000 |
|
Class B [Member]
|
||
| Common stock, shares authorized | 100,000,000 | |
| Common stock, shares issued | 12,500,000 | 12,500,000 |
| Common stock, shares outstanding | 12,500,000 | 12,500,000 |