XML 57 R46.htm IDEA: XBRL DOCUMENT v3.21.2
Leases - Operating lease liabilities (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Leases    
Current operating lease liabilities $ 94.0  
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Accrued Liabilities, Current  
Long-term operating lease liabilities $ 2,341.1 $ 2,350.3
Total operating lease liabilities $ 2,435.1