Income Taxes (Changes in Unrecognized Tax Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 30, 2016	Oct. 03, 2014
Income Tax Disclosure [Abstract]
Balance at October 2, 2015	$ 81.2
Decreases based on positions related to prior years	2.0
Increases based on positions related to current year	19.7
Decreases relating to settlements with taxing authorities	(22.6)	$ (20.9)
Decreases relating to lapses of applicable statues of limitations	(0.6)
Balance at September 30, 2016	$ 79.7

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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