Year Ended December 31,

(dollars in millions)

2015

2014

2013

2012

2011

Pretax income from continuing operations, excluding equity in earnings of unconsolidated affiliates

$

253.3

$

257.7

$

195.5

$

176.6

$

232.8

Interest expense

27.7

33.1

41.1

45.0

51.0

Portion of rents representative of an appropriate interest factor

6.0

5.7

5.5

5.2

5.9

Income as adjusted

$

287.0

$

296.5

$

242.1

$

226.8

$

289.7

Fixed charges:

Interest expense on indebtedness

$

23.4

$

26.9

$

33.1

$

35.7

$

48.8

Amortized premiums, discounts and capitalized expenses related to indebtness

4.3

6.2

8.0

9.3

2.2

Portion of rents representative of an appropriate interest factor

6.0

5.7

5.5

5.2

5.9

Total fixed charges

$

33.7

$

38.8

$

46.6

$

50.2

$

56.9

Ratio of Earnings to Fixed Charges

8.52

7.64

5.20

4.52

5.09