Represents the number every share or unit issued under the plan counts against aggregate share limit.

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Represents the exercise price of the purchase right as a percentage of the fair market value of a share of common stock on the first day of the purchase right period.

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Represents the maximum amount that an employee is permitted to contribute during a purchase right period.

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Represents the percentage of performance-based shares that ultimately vests, depending upon the fiscal year growth in the diluted earnings per share.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Amount of tax benefit from exercise of option under share-based payment arrangement.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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

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No definition available.

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stockholders' Equity and Stock Compensation Plans - Narrative (Details) - USD ($)	12 Months Ended
	Oct. 02, 2022	Oct. 03, 2021	Sep. 27, 2020	Sep. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in the period (in shares)	0	0
Stock options exercised	$ 1,806,000	$ 11,250,000	$ 10,334,000
Stock-based compensation expense	26,227,000	23,067,000	19,424,000
Income tax benefit realized from RSUs and PSUs	5,377,000	4,910,000	4,318,000
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value of options exercised	5,700,000	29,400,000	22,400,000
Stock options exercised	1,800,000	11,300,000	10,300,000
Income tax benefit realized from exercises of nonqualified stock options and disqualifying dispositions of qualified options	$ 1,300,000	$ 6,700,000	$ 4,900,000
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Awards granted (in shares)	77,844	117,934	167,525
Weighted-average grant date fair value (in dollars per share)	$ 184.61	$ 122.02	$ 83.92
Awards outstanding (in shares)	299,055	381,000	444,000	470,000
RSUs \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Percentage of shares that ultimately vest depending on growth in diluted earnings per share	50.00%
Percentage of shares that ultimately vest based on relative total shareholder return over the vesting period	50.00%
Awards granted (in shares)	41,734	57,542	74,011
Weighted-average grant date fair value (in dollars per share)	$ 247.16	$ 153.03	$ 99.85
Awards outstanding (in shares)	272,000	318,000	355,000	384,000
RSUs and PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation cost	$ 35,900,000
Stock-based compensation expense	23,900,000	$ 20,900,000	$ 17,700,000
Income tax benefit realized from RSUs and PSUs	$ 9,100,000	6,200,000	3,400,000
2015 EIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
The number every share or unit issued counts against aggregate share limit (in shares)	3
2018 EIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Available for future awards (in shares)	2,200,000
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Available for future awards (in shares)	380,784
Maximum amount that an employee can contribute during a purchase right period	$ 5,000
Exercise price as percentage of fair market value on the first day of purchase right period	100.00%
Exercise price as percentage of fair market value on the last day of purchase right period	85.00%
Stock options exercised	$ 12,129,000	10,705,000	8,715,000
Stock-based compensation expense	2,300,000	2,000,000	$ 1,200,000
Unrecognized stock-based compensation cost	600,000	$ 500,000
Accumulated amount by participants to purchase the entity's common stock	$ 11,000,000
Grant date on or after March 6, 2006 \| 2005 EIP \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	8 years
Grant date on or after March 6, 2006 \| 2005 EIP \| Stock options \| Each anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of vesting rights after specified period	25.00%
Grant date on or after March 6, 2006 \| 2005 EIP \| RSUs \| Each anniversary of grant date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of vesting rights after specified period	25.00%