----

|                                                    |   | 3      Months Ended |    |   | Year      Ended December 31, |   |
|---------------------------------------------------------|--------|---------------------|---------|--------|------------------------------|--------|
|                                                    |   | March      31, 2008 |    |   | 2007                         |   |   | 2006 |   |   | 2005 |   |   | 2004 |   |
|                                                    |   | (In      thousands) |    |
| FIXED      CHARGES:                                     |   |                |    |   |                         |   |   |   |   |   |   |   |   |   |   |
| Interest      Expense                                   |   | $                   | 21,422  |   |                         | $      | 83,748 |   |   | $ | 63,322 |   |   | $ | 49,578 |   |   | $ | 52,435 |   |
| Net      amortization of debt discount, premium and     |   |                |    |   |                         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| issuance      expense                                   |   |                | (357    | )      |                         |   | (1,197 | ) |   |   | (1,333 | ) |   |   | (1,293 | ) |   |   | (4,006 | ) |
| Capitalized      Interest                               |   |                | 4,644   |   |                         |   | 14,203 |   |   |   | 4,645 |   |   |   | 8,838 |   |   |   | 4,812 |   |
| Interest      portion of rental expense                 |   |                | 882     |   |                         |   | 3,582 |   |   |   | 3,780 |   |   |   | 4,284 |   |   |   | 4,453 |   |
|                                                    |   |                |    |   |                         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total      Fixed Charges                                |   | $                   | 26,591  |   |                         | $      | 100,336 |   |   | $ | 70,414 |   |   | $ | 61,407 |   |   | $ | 57,694 |   |
|                                                    |   |                |    |   |                         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| EARNINGS:                                               |   |                |    |   |                         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Consolidated      pre-tax income (loss) from continuing |   |                |    |   |                         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| operations                                              |   | $                   | 79,095  |   |                         | $      | 246,742 |   |   | $ | 225,794 |   |   | $ | 166,189 |   |   | $ | 143,989 |   |
| Earnings      of equity investments                     |   |                | (74     | )      |                         |   | (299 | ) |   |   | (172 | ) |   |   | (226 | ) |   |   | (216 | ) |
| Distributed      income from equity investments         |   |                | -       |   |                         |   | - |   |   |   | 174 |   |   |   | 203 |   |   |   | 174 |   |
| Capitalized      interest                               |   |                | (4,644  | )      |                         |   | (14,203 | ) |   |   | (4,645 | ) |   |   | (8,838 | ) |   |   | (4,812 | ) |
| SFAS      145 Adjustment                                |   |                | -       |   |                         |   | - |   |   |   | - |   |   |   | - |   |   |   | - |   |
| Minority      interest                                  |   |                | -       |   |                         |   | - |   |   |   | - |   |   |   | - |   |   |   | - |   |
| Total      fixed charges (from above)                   |   |                | 26,591  |   |                         |   | 100,336 |   |   |   | 70,414 |   |   |   | 61,407 |   |   |   | 57,694 |   |
|                                                    |   |                |    |   |                         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Earnings      Available for Fixed Charges               |   | $                   | 100,968 |   |                         | $      | 332,576 |   |   | $ | 291,565 |   |   | $ | 218,735 |   |   | $ | 196,829 |   |
|                                                    |   |                |    |   |                         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                    |   |                |    |   |                         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio      of Earnings to Fixed Charges                 |   |                | 3.8     |   |                         |   | 3.3 |   |   |   | 4.1 |   |   |   | 3.6 |   |   |   | 3.4 |   |
|                                                    |   |                |    |   |                         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |