For the three months ended March 31, | For the twelve months ended December 31, | |||||||||||||||||||||||
2016 | 2015 | 2014 | 2013 | 2012 | 2011 | |||||||||||||||||||
(Dollars in millions) | ||||||||||||||||||||||||
Pre-tax income from continuing operations before adjustment for noncontrolling interests in consolidated subsidiaries or income or loss from equity investees | $ | 152.5 | $ | 631.7 | $ | 566.1 | $ | 523.5 | $ | 428.5 | $ | 405.4 | ||||||||||||
Add: Fixed charges (from below) | 22.7 | 72.7 | 76.6 | 78.6 | 63.0 | 62.7 | ||||||||||||||||||
Add: Amortization of capitalized interest | 0.1 | 0.5 | 0.4 | 0.4 | 0.4 | 0.5 | ||||||||||||||||||
Add: Distributed income of equity investee | 3.0 | 7.0 | 7.7 | 4.0 | 1.9 | — | ||||||||||||||||||
Subtract: Capitalized interest expense | 0.6 | 0.8 | 0.5 | 0.3 | 0.4 | 0.5 | ||||||||||||||||||
Total earnings | $ | 177.7 | $ | 711.1 | $ | 650.3 | $ | 606.2 | $ | 493.4 | $ | 468.1 | ||||||||||||
Interest charged to expense | $ | 20.1 | $ | 63.8 | $ | 68.6 | $ | 70.2 | $ | 55.4 | $ | 55.1 | ||||||||||||
Capitalized interest expense | 0.6 | 0.8 | 0.5 | 0.3 | 0.4 | 0.5 | ||||||||||||||||||
One-third of rent expense | 2.0 | 8.1 | 7.5 | 8.1 | 7.2 | 7.1 | ||||||||||||||||||
Total fixed charges | $ | 22.7 | $ | 72.7 | $ | 76.6 | $ | 78.6 | $ | 63.0 | $ | 62.7 | ||||||||||||
Ratio of earnings to fixed charges | 7.8x | 9.8x | 8.5x | 7.7x | 7.8x | 7.5x | ||||||||||||||||||