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

No definition available.

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- Definition

Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

+ References

No definition available.

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- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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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.

+ References

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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.

+ References

No definition available.

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- Definition

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

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- Definition

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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- Definition

Number of shares issued under share-based payment arrangement.

+ References

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- Definition

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

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Share-Based Employee Compensation (Narrative) (Details) $ / shares in Units, $ in Millions		12 Months Ended
	Jul. 31, 2020 shares	Oct. 02, 2022 USD ($) day $ / shares shares	Oct. 03, 2021 USD ($) $ / shares shares	Sep. 27, 2020 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Value of shares issued in connection with director retirements (less than) \| $				$ 0.1
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)		236,606	141,197
Total unrecognized compensation cost related to stock options granted \| $		$ 9.5
Weighted-average period for unrecognized compensation cost, (in years)		2 years 4 months 24 days
Weighted-average grant-date fair value (in usd per share) \| $ / shares		$ 78.28	$ 95.44	$ 73.94
Total fair value of awards vested \| $		$ 2.5	$ 4.3	$ 8.7
Modified restricted stock units vested in period (in shares)		28,600
Modified Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Modified restricted stock units vested in period (in shares)	23,128
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 \| $		$ 0.1
Weighted-average period for unrecognized compensation cost, (in years)		2 months 12 days
Option grants contractual term		7 years
Total intrinsic value of stock options exercised \| $		$ 0.1	$ 1.6	$ 0.7
Performance share awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Awards outstanding (in shares)		65,382	35,097
Total unrecognized compensation cost related to stock options granted \| $		$ 2.7
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) \| $ / shares		$ 78.95	$ 88.88	$ 81.02
Total fair value of awards vested \| $		$ 0.1	$ 0.6	$ 0.5
Modified restricted stock units vested in period (in shares)		6,905
Del Taco RSAs subject to accelerated vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards outstanding (in shares)		4,670	0
Total unrecognized compensation cost related to stock options granted \| $		$ 0.2
Weighted-average period for unrecognized compensation cost, (in years)		4 months 24 days
Weighted-average grant-date fair value (in usd per share) \| $ / shares		$ 82.33
Total fair value of awards vested \| $		$ 0.7
Deferred Compensation for Non Management Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards outstanding (in shares)		116,274	109,463
Threshold trading days \| day		10
Shares issued in connection with director retirement (in shares)		0	0	204
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 Compensation Arrangement by Share-based Payment Award [Line Items]
Awards outstanding (in shares)		75,791
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)		74,830
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)		85,985
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)		1,479,033
Del Taco Restaurants, Inc. 2015 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock available for future issuance (in shares)		174,553
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