XML 71 R57.htm IDEA: XBRL DOCUMENT v3.6.0.2
Debt And Financing - Capital Expenditures/Operating Leases (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Debt Instrument [Line Items]      
Acquisition of property and equipment $ (100.6) $ (108.0) $ (69.2)
Minimum annual rentals 2017 107.4    
Future minimum payments due 334.7    
Revenue Equipment [Member]      
Debt Instrument [Line Items]      
Operating lease commitment $ 126.4    
Operating lease term 5 years