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Indebtedness (Tables)
 12 Months Ended
Dec. 31, 2013
Indebtedness [Abstract]  
Components of Indebtedness
Indebtedness consisted of the following at December 31, 2013 and 2012 (in millions):
 
December 31, 2013
 
December 31, 2012
11/4% Convertible senior subordinated notes due 2036
$
201.2

 
$
192.1

4½% Senior term loan due 2016
275.0

 
264.2

57/8% Senior notes due 2021
300.0

 
300.0

Credit facility, expires 2016
360.0

 
465.0

Other long-term debt
114.0

 
65.5

 
1,250.2

 
1,286.8

Less: Current portion of long-term debt
(110.5
)
 
(59.1
)
        11/4% Convertible senior subordinated notes due 2036
(201.2
)
 
(192.1
)
Total indebtedness, less current portion
$
938.5

 
$
1,035.6
Maturities of Long-term Debt
At December 31, 2013, the aggregate scheduled maturities of long-term debt, excluding the current portion of long-term debt, are as follows (in millions):
2015
$
44.5

2016
576.6

2017
1.3

2018
0.3

Thereafter
315.8

 
$
938.5
Carrying Amounts of the Convertible Senior Subordinated Notes
The following table sets forth as of December 31, 2013 and 2012 the carrying amount of the equity component, the principal amount of the liability component, the unamortized discount and the net carrying amount of the Company’s 11/4% convertible senior subordinated notes (in millions):
 
December 31,
 
2013
 
2012
1¼% Convertible senior subordinated notes due 2036:
 

 
 

Carrying amount of the equity component
$
54.3

 
$
54.3

 
 
 
 
Principal amount of the liability component
$
201.2

 
$
201.3

Less: unamortized discount
—

 
(9.2
)
Net carrying amount
$
201.2

 
$
192.1
Interest Expense Recognized on Convertible Senior Subordinated Notes
The following table sets forth the interest expense recognized for the years ended December 31, 2013, 2012 and 2011 relating to both the contractual interest coupon and the amortization of the discount on the liability component for the Company’s former 13/4% convertible senior subordinated notes and the 11/4% convertible senior subordinated notes (in millions):
 
Years Ended December 31,
 
2013
 
2012
 
2011
1¾% Convertible senior subordinated notes:
 

 
 

 
 

Interest expense
$
—

 
$
—

 
$
0.9

1¼% Convertible senior subordinated notes:
 

 
 

 
 

Interest expense
$
11.7

 
$
11.2

 
$
10.7