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Self-Insurance Self-Insurance (Tables)
12 Months Ended
Dec. 31, 2015
Insurance [Abstract]  
Current and long-term self-insurance reserves
At December 31, 2015 and 2014, current and long-term self-insurance reserves were included in Other Current Liabilities and Other Liabilities, respectively, in the Consolidated Balance Sheets as follows:
 
2015
 
2014
Self-insurance reserves - current portion
$
27.2

 
$
24.9

Self-insurance reserves - long-term portion
47.6

 
46.5

Total self-insurance reserves
$
74.8

 
$
71.4