XML 68 R56.htm IDEA: XBRL DOCUMENT v3.7.0.1
Cash Flow Information (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Supplemental Cash Flow Information [Abstract]    
Capital lease and deferred purchase price related to acquisitions $ 3.3  
Non-cash investing and financing activities related to property acquired under capital leases 2.2  
Accrued purchases of property and equipment 25.9 $ 14.7
Interest payments, net of amounts capitalized and including interest on vehicle inventory financing 99.2 91.0
Income tax payments, net of income tax refunds $ 124.1 $ 132.0