Year Ended December 31,

(dollars in millions)

2016

2015

2014

2013

2012

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

$

242.2

$

253.3

$

257.7

$

195.5

$

176.6

Interest expense

20.8

27.7

33.1

41.1

45.0

Portion of rents representative of an appropriate interest factor

5.8

6.0

5.7

5.5

5.2

Income as adjusted

$

268.8

$

287.0

$

296.5

$

242.1

$

226.8

Fixed charges:

Interest expense on indebtedness

$

16.3

$

23.4

$

26.9

$

33.1

$

35.7

Amortized premiums, discounts and capitalized expenses related to indebtness

4.5

4.3

6.2

8.0

9.3

Portion of rents representative of an appropriate interest factor

5.8

6.0

5.7

5.5

5.2

Total fixed charges

$

26.6

$

33.7

$

38.8

$

46.6

$

50.2

Ratio of Earnings to Fixed Charges

10.11

8.52

7.64

5.20

4.52