Leases - Cash flow information, weighted average remaining term and discount rate (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 248.5	$ 249.6	$ 234.7
Right-of-use assets obtained in exchange for operating lease liabilities, net	$ 116.2	$ 124.2	$ 152.1
Weighted-average remaining lease term - operating leases	25 years	25 years
Weighted-average discount rate - operating leases	6.50%	6.70%