EX-12.1 2 a2012q3ex-121.htm EXHIBIT 2012 Q3 EX-12.1


Exhibit 12.1
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
(in millions)

 
Three months ended September 30,
Nine months ended September 30,
 
2012
2011
2012
2011
 
$
$
$
$
Computation of earnings:
 
 
 
 
Income before income taxes
5.7

37.5

68.0

166.4

Plus: fixed charges
9.5

5.8

26.3

18.0

Less: capitalized interest
(0.2
)
(0.2
)
(0.8
)
(0.6
)
Earnings
15.0

43.1

93.5

183.8

Computation of fixed charges
 
 
 
 
Interest expense, net
8.9

5.2

24.2

16.4

Capitalized interest
0.2

0.2

0.8

0.6

Interest portion of operating lease expense
0.4

0.4

1.3

1.0

Fixed charges
9.5

5.8

26.3

18.0

Ratio of earnings to fixed charges
1.6

7.4

3.6

10.2