Deferred Compensation, Trading Days

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- Definition

Share based compensation arrangement by share based payment award award shares holding requirement percentage.

+ References

No definition available.

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- Definition

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

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

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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- Definition

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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- Definition

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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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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- Definition

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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Number of shares authorized for issuance under share-based payment arrangement.

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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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- Definition

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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Number of shares issued under share-based payment arrangement.

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

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Share-Based Employee Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Oct. 01, 2023	Oct. 02, 2022	Oct. 03, 2021
Del Taco RSUs subject to accelerated vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Awards outstanding (in shares)	328,536	236,606
Total unrecognized compensation cost related to stock options granted	$ 11.8
Weighted-average period for unrecognized compensation cost, (in years)	1 year 10 months 24 days
Weighted-average grant-date fair value (in usd per share)	$ 68.56	$ 78.28	$ 95.44
Total fair value of awards vested	$ 4.6	$ 2.5	$ 4.3
Modified restricted stock units vested in period (in shares)	55,919
Del Taco options subject to accelerated vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Total unrecognized compensation cost related to stock options granted	$ 0.0
Option grants contractual term	7 years
Total intrinsic value of stock options exercised	$ 0.1		$ 1.6
Performance share awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Awards outstanding (in shares)	107,174	65,382
Total unrecognized compensation cost related to stock options granted	$ 3.2
Weighted-average period for unrecognized compensation cost, (in years)	1 year 9 months 18 days
Weighted-average grant-date fair value (in usd per share)	$ 65.74	$ 78.95	$ 88.88
Total fair value of awards vested	$ 1.8	$ 0.1	$ 0.6
Modified restricted stock units vested in period (in shares)	1,126
Del Taco RSAs subject to accelerated vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards outstanding (in shares)	0	4,670
Total unrecognized compensation cost related to stock options granted	$ 0.0
Total fair value of awards vested	$ 0.4	$ 0.7
Deferred Compensation for Non Management Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards outstanding (in shares)	122,981	116,274
Number of trading days	10 days
Shares issued in connection with director retirement (in shares)	0	0
Share-Based Payment Arrangement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	0
Minimum \| Del Taco RSUs subject to accelerated vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units vested, percentage	50.00%
Minimum \| Performance share awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance share awards vesting rights, percentage	0.00%
Maximum \| Performance share awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance share awards vesting rights, percentage	150.00%
Executive Officers \| Del Taco RSUs subject to accelerated vesting \| Share-Based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Awards outstanding (in shares)	38,772
Executive Officers \| Del Taco RSUs subject to accelerated vesting \| Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Awards outstanding (in shares)	54,561,000
Non-Management Directors \| Del Taco RSUs subject to accelerated vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	12 months
Awards outstanding (in shares)	83,251
Management \| Del Taco RSUs subject to accelerated vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Awards outstanding (in shares)	151,952
Two Thousand Four Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized (in shares)	11,600,000
Common stock available for future issuance (in shares)	2,454,425
Deferred Compensation Plan for Non-Management Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized (in shares)	350,000
Common stock available for future issuance (in shares)	142,918
2023 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized (in shares)	2,500,000