Exhibit 12.1
Computation of Ratio of Earnings to Fixed Charges
Nine Months Ended December 31, | Fiscal Year Ended March 31, | |||||||||||||||||
2009 | 2009 | 2008 | 2007 | 2006 | 2005 | |||||||||||||
Earnings(1): | ||||||||||||||||||
Earnings before income taxes | 40,150 | 62,183 | 144,384 | 304,288 | 241,066 | 158,089 | ||||||||||||
Add: Fixed charges | 17,358 | 29,791 | 27,127 | 11,739 | 8,290 | 3,326 | ||||||||||||
Add: Cash distributions from equity method investments | 24,000 | 33,000 | 37,750 | 29,000 | 27,250 | 30,917 | ||||||||||||
Subtract: Income from equity method investments | (18,276 | ) | (32,426 | ) | (33,982 | ) | (32,765 | ) | (26,917 | ) | (26,921 | ) | ||||||
Total Earnings | 63,232 | 92,548 | 175,279 | 312,262 | 249,689 | 165,411 | ||||||||||||
Fixed Charges(2): | ||||||||||||||||||
Interest expense | 14,182 | 24,433 | 20,530 | 11,709 | 8,290 | 3,326 | ||||||||||||
Interest component of rent expense | 211 | 281 | 336 | 341 | 385 | 461 | ||||||||||||
Total Fixed Charges | 14,393 | 24,714 | 20,866 | 12,050 | 8,675 | 3,787 | ||||||||||||
Ratio of Earnings to Fixed Charges | 5.4x | 4.7x | 9.4x | 26.9x | 29.8x | 44.7x |
(1) | Earnings represent earnings before income taxes and before income from equity method investments plus: (a) fixed charges; and (b) cash distributions from equity method investments. |
(2) | Fixed charges include: (a) interest expense, whether expensed or capitalized, less interest accrued for uncertain tax positions; and (b) the portion of operating rental expense which management believes is representative of the interest component of rent expense. |