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Commitments (Tables)
12 Months Ended
Dec. 31, 2013
Commitments [Abstract]  
Summary of future minimum payments for noncancelable operating leases, purchase obligations and other liabilities
Future minimum payments for noncancelable operating leases, purchase obligations and other liabilities of the Company in effect as of December 31, 2013, are payable as follows:
 
(in millions)
Operating
Leases
 
Purchase
Obligations
 
Total
2014
$
11.3

 
$
174.8

 
$
186.1

2015
8.7

 
29.0

 
37.7

2016
7.1

 
14.2

 
21.3

2017
5.9

 
8.5

 
14.4

2018
5.5

 
5.9

 
11.4

Thereafter
10.3

 
3.2

 
13.5

Totals
$
48.8

 
$
235.6

 
$
284.4