Annual report pursuant to Section 13 and 15(d)

Leases (Details)

v3.8.0.1
Leases (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Operating Leases, Rent Expense, Net [Abstract]      
Basic Expense $ 40.2 $ 36.1 $ 30.4
Contingent Expense 3.2 2.0 2.8
Sublease Income (0.1) (0.2) (0.3)
Rent Expense, Net 43.3 $ 37.9 $ 32.9
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2018 37.6    
2019 31.7    
2020 23.7    
2021 15.7    
2022 11.5    
Thereafter 32.2    
Total (Not Reduced by Minimum Sublease Income of $0.2) 152.4    
Minimum Sublease Income $ 0.2