| Six Months Ended June 30 | Year Ended December 31 | |||||||||||||||||||||||||||
| 2010 | 2009 | 2009 | 2008 | 2007 | 2006 | 2005 | ||||||||||||||||||||||
| Earnings available for fixed charges: | ||||||||||||||||||||||||||||
| Income from continuing operations before income taxes | $ | 51.5 | $ | 59.2 | $ | 107.9 | $ | 267.6 | $ | 255.4 | $ | 220.9 | $ | 166.3 | ||||||||||||||
| Add (deduct): | ||||||||||||||||||||||||||||
| Total fixed charges | 117.7 | 119.6 | 236.9 | 230.2 | 230.7 | 244.8 | 229.4 | |||||||||||||||||||||
| Share of affiliates’ earnings, net of distributions received | 1.8 | (1.0 | ) | 7.0 | (34.4 | ) | (36.3 | ) | (39.9 | ) | (33.5 | ) | ||||||||||||||||
| Total earnings available for fixed charges | $ | 171.0 | $ | 177.8 | $ | 351.8 | $ | 463.4 | $ | 449.8 | $ | 425.8 | $ | 362.2 | ||||||||||||||
| Fixed Charges: | ||||||||||||||||||||||||||||
| Interest expense | $ | 83.9 | $ | 85.1 | $ | 168.0 | $ | 151.6 | $ | 141.4 | $ | 143.6 | $ | 114.5 | ||||||||||||||
| Capitalized interest | — | — | — | — | 0.1 | 0.1 | — | |||||||||||||||||||||
| Interest portion of operating lease expense | 33.8 | 34.5 | 68.8 | 78.5 | 89.1 | 101.0 | 114.8 | |||||||||||||||||||||
| Preferred dividends on pre-tax basis | — | — | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |||||||||||||||||||||
| Total fixed charges | $ | 117.7 | $ | 119.6 | $ | 236.9 | $ | 230.2 | $ | 230.7 | $ | 244.8 | $ | 229.4 | ||||||||||||||
| Ratio of earnings to fixed charges | 1.45 | 1.49 | 1.49 | 2.01 | 1.95 | 1.74 | 1.58 | |||||||||||||||||||||
