|
Property and Equipment (Details) (USD $)
|
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2012
|
Mar. 31, 2011
|
Dec. 31, 2011
|
|
| Plant and equipment | |||
| Property and equipment | $ 3,476,654,000 | $ 3,372,277,000 | |
| Less accumulated depreciation | (1,136,873,000) | (1,095,077,000) | |
| Property and equipment, net | 2,339,781,000 | 2,277,200,000 | |
| Increase in property and equipment primarily due to acquisition | 104,400,000 | ||
| Depreciation expense | 53,200,000 | 52,400,000 | |
| Interest capitalized in connection with major construction projects | 2,900,000 | 800,000 | |
|
Land and improvements
|
|||
| Plant and equipment | |||
| Property and equipment | 355,160,000 | 362,402,000 | |
|
Building and improvements
|
|||
| Plant and equipment | |||
| Property and equipment | 1,720,366,000 | 1,715,144,000 | |
|
Furniture, fixtures and equipment
|
|||
| Plant and equipment | |||
| Property and equipment | 1,035,067,000 | 1,021,362,000 | |
|
Leasehold improvements
|
|||
| Plant and equipment | |||
| Property and equipment | 16,910,000 | 16,910,000 | |
|
Construction in progress
|
|||
| Plant and equipment | |||
| Property and equipment | $ 349,151,000 | $ 256,459,000 | |