Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Eligible Compensation Deferral, Percent

No definition available.

+ Details

Name:	din_DefinedContributionPlanEmployerMatchingContributionPercentOfEmployeesEligibleCompensationDeferralPercent
Namespace Prefix:	din_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480794/715-70-50-1

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

+ Details

Name:	us-gaap_DefinedContributionPlanDisclosureLineItems
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Balance Type:	na
Period Type:	duration

- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
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- Details

Name:	din_DefinedContributionPensionAndOtherPostretirementPlansAxis=din_FirstTierOfEmployeesEligibleCompensationDeferralMember
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- Details

Name:	din_DefinedContributionPensionAndOtherPostretirementPlansAxis=din_SecondTierOfEmployeesEligibleCompensationDeferralMember
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Period Type:

Employee Benefit Plans (Details) - USD ($) $ in Millions	12 Months Ended
Employee Benefit Plans (Details) - USD ($) $ in Millions	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Defined Contribution Plan Disclosure [Line Items]
Matching contribution expense	$ 3.8	$ 3.4	$ 3.3
First Tier of Deferral
Defined Contribution Plan Disclosure [Line Items]
Employer matching contribution, percent of match (in percent)	100.00%
Employer matching contribution, percent of employees' eligible compensation deferral	4.00%
Second Tier of Deferral
Defined Contribution Plan Disclosure [Line Items]
Employer matching contribution, percent of match (in percent)	50.00%
Employer matching contribution, percent of employees' eligible compensation deferral	2.00%