v3.21.2
LEASES - Cash flow and supplemental information (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:    
Operating cash flows used in finance leases $ (1.2) $ (3.1)
Operating cash flows used in operating leases (360.4) (249.8)
Financing cash flows used in finance leases (3.9) (2.3)
Landlord contributions:    
Operating cashflows provided by operating leases 11.1 24.9
Supplemental disclosure of noncash leasing activities:    
Right-of-use assets obtained in exchange for new operating lease liabilities $ 60.7 $ 133.7