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Employee Stock Purchase and Stock Incentive Plans (Unvested Restricted Stock and Restricted Stock Units Roll Forward) (Details) - Restricted Stock And Restricted Stock Units	12 Months Ended
	Oct. 01, 2021 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Beginning balance outstanding (in shares) | shares	1,525,526
Granted (in shares) | shares	801,174
Vested (in shares) | shares	(708,835)
Canceled (in shares) | shares	(173,634)
Ending balance outstanding (in shares) | shares	1,444,231
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Beginning balance outstanding (in dollars per share) | $ / shares	$ 77.88
Granted (in dollars per share) | $ / shares	95.65
Vested (in dollars per share) | $ / shares	69.04
Canceled (in dollars per share) | $ / shares	84.05
Ending balance outstanding (in dollars per share) | $ / shares	$ 91.23

X

- Definition

Gross number of share options (or share units) granted during the period.

+ References

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Number of non-vested options outstanding.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

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- Definition

Weighted average grant-date fair value of non-vested options forfeited.

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