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Employee Benefit Plans (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2013 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Defined Contribution Plan Disclosure [Line Items] |  |  |  |
Contributions made to 401(k) |  | $ 3.3 | $ 2.9 | $ 2.8
First Tier of Deferral |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |
Percent of gross pay | 100.00% |  |  |
Percent of eligible deferral | 4.00% |  |  |
Second Tier of Deferral |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |
Percent of gross pay | 50.00% |  |  |
Percent of eligible deferral | 2.00% |  |  |

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- Definition Employees Eligible Compensation Deferral, Percent + References No definition available. + Details
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Namespace Prefix: | din_
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Balance Type: | na
Period Type: | instant

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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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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. + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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