Annual report pursuant to Section 13 and 15(d)

Leases (Details)

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Leases (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Operating Leases, Rent Expense, Net [Abstract]      
Basic Expense $ 44.4 $ 41.5 $ 37.2
Contingent Expense 1.9 3.2 2.0
Sublease Income (0.1) (0.1) (0.2)
Rent Expense, Net 46.2 $ 44.6 $ 39.0
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2019 40.3    
2020 32.3    
2021 26.5    
2022 17.7    
2023 13.7    
Thereafter 22.9    
Total (Not Reduced by Minimum Sublease Income of $0.1) 153.4    
Minimum Sublease Income $ 0.1