XML 80 R68.htm IDEA: XBRL DOCUMENT v3.10.0.1
Leases (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Rent Expense [Abstract]      
Rent expense, net $ 304.4 $ 350.5 $ 355.1
Aggregate Minimum Lease Payments Under Non-Cancelable Operating Leases [Abstract]      
Operating Leases, Minimum lease payments, 2019 327.3    
Operating Leases, Minimum lease payments, 2020 278.2    
Operating Leases, Minimum lease payments, 2021 226.2    
Operating Leases, Minimum lease payments, 2022 186.1    
Operating Leases, Minimum lease payments, 2023 150.9    
Operating Leases, Minimum lease payments, Thereafter 663.6    
Operating Leases, Total 1,832.3    
Operating Leases, Minimum lease payments, Sublease rent (14.1)    
Operating Leases, Minimum lease payments, Net operating lease payments 1,818.2    
Aggregate Minimum Lease Payments Under Non-Cancelable Capital Leases [Abstract]      
Capital Leases, Minimum lease payments, 2019 41.8    
Capital Leases, Minimum lease payments, 2020 38.2    
Capital Leases, Minimum lease payments, 2021 29.3    
Capital Leases, Minimum lease payments, 2022 15.6    
Capital Leases, Minimum lease payments, 2023 6.6    
Capital Leases, Minimum lease payments, Thereafter 3.9    
Capital Leases, Total 135.4    
Capital Leases, Minimum lease payments, Interest component (7.9)    
Capital Leases, Minimum lease payments, Present value of minimum capital lease payments 127.5    
Assets Under Capital Lease and Capital Lease Obligations [Abstract]      
Assets under capital lease, Cost 258.2 229.3  
Assets under capital lease, Accumulated depreciation (133.8) (121.0)  
Assets under capital lease 124.4 108.3  
Capital lease obligations, Current 38.6 31.6  
Capital lease obligations, Long-term 88.9 78.9  
Capital lease obligations 127.5 110.5  
Assets under capital lease, Depreciation expense 36.7 31.1 27.2
Office [Member]      
Rent Expense [Abstract]      
Office base rent 295.0 336.7 339.7
Third-party sublease rent (7.2) (6.3) (5.6)
Rent expense, net 287.8 330.4 334.1
Equipment [Member]      
Rent Expense [Abstract]      
Rent expense, net $ 16.6 $ 20.1 $ 21.0