Leases (Presentation on Consolidated Balance Sheet) (Details) - USD ($) $ in Millions	Sep. 30, 2020	Oct. 01, 2019
Assets and Liabilities, Lessee [Abstract]
Operating lease ROU asset, other noncurrent assets	$ 376.8
Operating lease liabilities, payables and accrued liabilities	70.7
Operating Lease, Liability, Noncurrent	335.8
Total Operating Lease Liabilities	$ 406.5
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssets
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent
Accounting Standards Update 2016-02
Assets and Liabilities, Lessee [Abstract]
Operating lease ROU asset, other noncurrent assets		$ 332.3
Operating lease liabilities, payables and accrued liabilities		68.6
Operating Lease, Liability, Noncurrent		306.7
Total Operating Lease Liabilities		$ 375.3