----

| Line   |   |                                                                                  |   | Three                  Months Ended |   | Year                  Ended December 31, |   |
|--------|--------|---------------------------------------------------------------------------------------|--------|-------------------------------------|--------|------------------------------------------|--------|
| No.    |   |                                                                                  |   | 03/31/07                            |   | 12/31/06                                 |   | 12/31/05 |   | 12/31/04 |   | 12/31/03 |   | 12/31/02 |   | 12/31/01 |   |
|   |   | Fixed                  charges, as defined by the Securities and Exchange Commission: |   |                                |   |                                     |   |   |   |   |   |   |   |   |   |   |   |
|   |   |                                                                                  |   |                                |   |                                     |   |   |   |   |   |   |   |   |   |   |   |
|   |   |                                                                                  |   |                                |   |                                     |   |   |   |   |   |   |   |   |   |   |   |
| 1      |   | Interest                on Long-term Debt                                             |   | $                                   | 24,009 |                                     | $      | 95,301 |   | $ | 75,736 |   | $ | 46,702 |   | $ | 59,429 |   | $ | 56,409 |   | $ | 62,716 |   |
| 2      |   | Amortization                of Debt Premium, Discount and Expenses                    |   |                                | 1,573  |                                     |   | 4,417 |   |   | 3,642 |   |   | 2,697 |   |   | 2,838 |   |   | 2,302 |   |   | 2,346 |   |
| 3      |   | Other                Interest                                                         |   |                                | 12,346 |                                     |   | 45,811 |   |   | 14,299 |   |   | 2,319 |   |   | 5,423 |   |   | 2,859 |   |   | (42 | ) |
| 4      |   | Estimated                Interest Factor of Lease Rental Charges                      |   |                                | 5,457  |                                     |   | 19,714 |   |   | 20,643 |   |   | 19,617 |   |   | 20,452 |   |   | 23,233 |   |   | 22,856 |   |
|   |   |                                                                                  |   |                                |   |                                     |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| 5      |   | Total                Fixed Charges                                                    |   | $                                   | 43,385 |                                     | $      | 165,243 |   | $ | 114,320 |   | $ | 71,335 |   | $ | 88,142 |   | $ | 84,803 |   | $ | 87,876 |   |
|   |   |                                                                                  |   |                                |   |                                     |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|        |   | Earnings,                as defined by the Securities and Exchange Commission:        |   |                                |   |                                     |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|   |   |                                                                                  |   |                                |   |                                     |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|   |   |                                                                                  |   |                                |   |                                     |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| 6      |   |  Consolidated                Net Earnings from Continuing Operations             |   | $                                   | 30,101 |                                     | $      | 122,642 |   | $ | 71,021 |   | $ | 88,258 |   | $ | 59,138 |   | $ | 64,272 |   | $ | 150,433 |   |
| 7      |   |  Income                Taxes                                                     |   |                                | 17,919 |                                     |   | 63,970 |   |   | 32,861 |   |   | 49,247 |   |   | 27,889 |   |   | 33,032 |   |   | 81,063 |   |
| 8      |   |  Add                Fixed Charges as Above                                       |   |                                | 43,385 |                                     |   | 165,243 |   |   | 114,320 |   |   | 71,335 |   |   | 88,142 |   |   | 84,803 |   |   | 87,876 |   |
|   |   |                                                                                  |   |                                |   |                                     |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| 9      |   | Earnings                Availabe for Fixed Charges                                    |   | $                                   | 91,405 |                                     | $      | 351,855 |   | $ | 218,202 |   | $ | 208,840 |   | $ | 175,169 |   | $ | 182,107 |   | $ | 319,372 |   |
|   |   |                                                                                  |   |                                |   |                                     |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| 10     |   |  Ratio                for Earnings to Fixed Charges                              |   |                                | 2.11   |                                     |   | 2.13 |   |   | 1.91 |   |   | 2.93 |   |   | 1.99 |   |   | 2.15 |   |   | 3.63 |   |