Year Ended December 31, | |||||||||||||||||||
2015 | 2014 | 2013 | 2012 | 2011 | |||||||||||||||
(In thousands) | |||||||||||||||||||
Income before income taxes | $ | 838,386 | $ | 1,002,676 | $ | 453,479 | $ | 617,087 | $ | 202,528 | |||||||||
Add: | |||||||||||||||||||
Interest expense and other financing costs | 105,603 | 97,062 | 74,581 | 88,209 | 143,527 | ||||||||||||||
Amortization of capitalized interest | 1,911 | 1,590 | 1,580 | 1,479 | 1,231 | ||||||||||||||
Interest component of rental expense | 19,941 | 16,525 | 7,271 | 7,857 | 5,873 | ||||||||||||||
Earnings as adjusted | $ | 965,841 | $ | 1,117,853 | $ | 536,911 | $ | 714,632 | $ | 353,159 | |||||||||
Fixed charges: | |||||||||||||||||||
Interest expense and other financing costs | $ | 105,603 | $ | 97,062 | $ | 74,581 | $ | 88,209 | $ | 143,527 | |||||||||
Capitalized interest | 1,818 | 2,345 | 1,948 | 2,359 | 1,958 | ||||||||||||||
Interest component of rental expense | 19,941 | 16,525 | 7,271 | 7,857 | 5,873 | ||||||||||||||
Fixed charges | $ | 127,362 | $ | 115,932 | $ | 83,800 | $ | 98,425 | $ | 151,358 | |||||||||
Ratio of earnings to fixed charges | 7.58 | 9.64 | 6.41 | 7.26 | 2.33 | ||||||||||||||
Coverage deficiency | $ | — | $ | — | $ | — | $ | — | $ | — | |||||||||