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Insurance (Tables)
12 Months Ended
Dec. 31, 2014
Insurance [Abstract]  
Current and long-term insurance reserves
At December 31, 2014 and 2013, current and long-term insurance reserves were included in Other Current Liabilities and Other Liabilities, respectively, in the Consolidated Balance Sheets as follows:
 
2014
 
2013
Insurance reserves - current portion
$
24.9

 
$
24.1

Insurance reserves - long-term portion
46.5

 
42.2

Total insurance reserves
$
71.4

 
$
66.3