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Employee Stock Purchase and Stock Incentive Plans (Information Regarding Options Outstanding, and Options Exercisable) (Details) - $ / shares	12 Months Ended
	Oct. 01, 2021	Oct. 02, 2020	Sep. 27, 2019	Sep. 28, 2018
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number (in shares)	573,984	706,489	926,606	1,766,759
Options Outstanding, Weighted Average Remaining Contractual Life (years)	3 years 1 month 6 days
Options Outstanding, Weighted Average Price (in dollars per share)	$ 45.65	$ 45.91	$ 45.48	$ 45.53
Options Exercisable, Number (in shares)	573,984
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 45.65
Range of exercise prices for options outstanding, minimum (in dollars per share)	37.03	32.51	32.51
Range of exercise prices for options outstanding, maximum (in dollars per share)	$ 60.43	$ 60.43	$ 60.43
$32.51 - $37.03
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number (in shares)	36,000
Options Outstanding, Weighted Average Remaining Contractual Life (years)	7 months 28 days
Options Outstanding, Weighted Average Price (in dollars per share)	$ 37.03
Options Exercisable, Number (in shares)	36,000
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 37.03
Range of exercise prices for options outstanding, minimum (in dollars per share)	32.51
Range of exercise prices for options outstanding, maximum (in dollars per share)	$ 37.03
$37.43 - $46.09
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number (in shares)	394,997
Options Outstanding, Weighted Average Remaining Contractual Life (years)	3 years 8 months 15 days
Options Outstanding, Weighted Average Price (in dollars per share)	$ 43.23
Options Exercisable, Number (in shares)	394,997
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 43.23
Range of exercise prices for options outstanding, minimum (in dollars per share)	37.43
Range of exercise prices for options outstanding, maximum (in dollars per share)	$ 46.09
$47.11 - $55.13
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number (in shares)	119,362
Options Outstanding, Weighted Average Remaining Contractual Life (years)	1 year 11 months 1 day
Options Outstanding, Weighted Average Price (in dollars per share)	$ 53.31
Options Exercisable, Number (in shares)	119,362
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 53.31
Range of exercise prices for options outstanding, minimum (in dollars per share)	47.11
Range of exercise prices for options outstanding, maximum (in dollars per share)	$ 55.13
$60.08 - $80.63
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Options Outstanding, Number (in shares)	23,625
Options Outstanding, Weighted Average Remaining Contractual Life (years)	2 years 5 months 1 day
Options Outstanding, Weighted Average Price (in dollars per share)	$ 60.43
Options Exercisable, Number (in shares)	23,625
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 60.43
Range of exercise prices for options outstanding, minimum (in dollars per share)	60.08
Range of exercise prices for options outstanding, maximum (in dollars per share)	$ 80.63

X

- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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