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Supplemental Cash Flow Information
 9 Months Ended
Sep. 30, 2013
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information
Supplemental Cash Flow Information
 
Nine Months Ended
 
September 30,
 
2013
 
2012
Supplemental disclosure of cash flow information:
 
 
 
Interest paid
$
14.4

 
$
5.4

Income taxes paid
$
1.8

 
$
0.9

Supplemental disclosure of non-cash transactions:
 
 
 
Non-cash capital expenditures
$
3.5

 
$
1.2

Capital leases acquired
$
0.2

 
$
—