Leases - Components of Lease Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Lessee, Lease, Description [Line Items]
Operating lease costs	$ 48.4	$ 40.9	$ 85.8	$ 61.4
Financing lease costs:
Amortization of right-of-use assets	3.0	0.9	3.6	1.2
Interest on lease liabilities	2.1	0.0	4.2	0.0
Total financing lease costs	5.1	0.9	7.8	1.2
Variable lease costs	2.9	2.0	4.8	2.5
Total lease costs	56.4	43.8	98.4	65.1
Deemed Landlord Finance Lease
Financing lease costs:
Amortization of right-of-use assets	3.2	1.3	6.4	1.7
Interest on lease liabilities	10.7	5.7	20.8	7.2
Total financing lease costs	$ 13.9	$ 7.0	$ 27.2	$ 8.9