Supplemental Balance Sheet Information Other Long-Term Liabilities (Details) - USD ($) $ in Millions	Jul. 01, 2018	Oct. 01, 2017
Balance Sheet Related Disclosures [Abstract]
Deferred Income Taxes and Other Tax Liabilities, Noncurrent	$ 362.6	$ 6.3
Other long-term liabilities	1,122.1	749.0
Deferred Tax and Other Liabilities, Noncurrent	$ 1,484.7	$ 755.3

Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.24)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_OtherLiabilitiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant