XML 62 R45.htm IDEA: XBRL DOCUMENT v3.8.0.1
Leased Properties (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Leases [Abstract]      
2018 $ 299.2    
2019 234.5    
2020 172.4    
2021 114.7    
2022 81.6    
Thereafter 237.6    
Total minimum lease payments 1,140.0    
Rental expense under operating leases $ 306.0 $ 278.0 $ 254.0