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Supplemental Cash Flow Information
 12 Months Ended
Dec. 31, 2013
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information
Supplemental Cash Flow Information

 
 
Year Ended December 31,
 
 
2013
 
2012
 
2011
Supplemental disclosure of cash flow information:
 
 
 
 
 
 
Interest paid
 
$
28.1

 
$
19.4

 
$
10.4

Income taxes paid
 
$
2.1

 
$
1.8

 
$
3.5

Supplemental disclosure of non-cash transactions:
 
 
 
 
 
 
Stock repurchases not yet settled (accrued in accounts payable)
 
$
1.0

 
$
—

 
$
—

Non-cash capital expenditures
 
$
4.4

 
$
3.4

 
$
1.8

Capital leases acquired
 
$
0.2

 
$
0.1

 
$
0.3