| Year Ended December 31, | ||||||||||||||||||||||||
| Q1 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | |||||||||||||||||||
Fixed Charges |
||||||||||||||||||||||||
Interest Expense |
$ | 11,428 | $ | 24,744 | $ | 10,074 | $ | 2,367 | $ | 2,480 | $ | 1,258 | ||||||||||||
Estimated Interest Portion of Rents |
$ | 487 | $ | 2,320 | $ | 1,970 | $ | 1,960 | $ | 1,390 | $ | 1,240 | ||||||||||||
Total Fixed Charges |
$ | 11,915 | $ | 27,064 | $ | 12,044 | $ | 4,327 | $ | 3,870 | $ | 2,498 | ||||||||||||
Pre-tax Earnings |
$ | 53,327 | $ | 274,563 | $ | 285,671 | $ | 223,686 | $ | 195,411 | $ | 147,426 | ||||||||||||
Total Fixed Charges |
$ | 11,915 | $ | 27,064 | $ | 12,044 | $ | 4,327 | $ | 3,870 | $ | 2,498 | ||||||||||||
Adjusted Income |
$ | 65,242 | $ | 301,627 | $ | 297,715 | $ | 228,013 | $ | 199,281 | $ | 149,924 | ||||||||||||
Ratio of Earnings to Fixed
Charges (unaudited) |
5.48 | 11.14 | 24.72 | 52.70 | 51.49 | 60.02 | ||||||||||||||||||