Leases - Summary of Supplemental Balance Sheet Information Related to Leases (Details) $ in Millions	Jun. 30, 2020 USD ($)
Supplementary Information Balance Sheets [Abstract]
Operating lease right-of-use asset	$ 649.2
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OperatingLeaseRightOfUseAsset
Current operating lease liabilities	$ 169.0
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OperatingLeaseLiabilityCurrent
Operating lease liabilities	$ 535.5
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OperatingLeaseLiabilityNoncurrent
Total operating lease liabilities	$ 704.5
Property, plant and equipment	145.6
Accumulated depreciation	(19.0)
Property, plant and equipment, net	126.6
Current finance lease liabilities	$ 9.3
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:FinanceLeaseLiabilityCurrent
Noncurrent finance lease liabilities	$ 268.5
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:FinanceLeaseLiabilityNoncurrent
Total finance lease liabilities	$ 277.8