XML 82 R67.htm IDEA: XBRL DOCUMENT v3.3.1.900
Acquisitions - Atlantic Central Logistics - Additional Information (Details) - USD ($)
$ in Millions
Jul. 28, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Business Acquisition [Line Items]        
Goodwill   $ 4,610.6 $ 929.3 $ 363.4
Atlantic Central Logistics        
Business Acquisition [Line Items]        
Consideration $ 36.2      
Goodwill 25.1      
Intangible assets acquired $ 12.5