<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>428</ContextCount>
  <ElementCount>305</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>71</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Cover Page</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/CoverPage</Role>
      <ShortName>Cover Page</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOMELOSS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFEQUITY</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFEQUITYParenthetical</Role>
      <ShortName>CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952157 - Disclosure - Description of business and basis of presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Descriptionofbusinessandbasisofpresentation</Role>
      <ShortName>Description of business and basis of presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952158 - Disclosure - Revenues</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Revenues</Role>
      <ShortName>Revenues</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952159 - Disclosure - Accounts receivable, net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Accountsreceivablenet</Role>
      <ShortName>Accounts receivable, net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952160 - Disclosure - Goodwill and intangible assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Goodwillandintangibleassets</Role>
      <ShortName>Goodwill and intangible assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952161 - Disclosure - Integration and reorganization costs</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Integrationandreorganizationcosts</Role>
      <ShortName>Integration and reorganization costs</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952162 - Disclosure - Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Debt</Role>
      <ShortName>Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952163 - Disclosure - Pensions and other postretirement benefit plans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Pensionsandotherpostretirementbenefitplans</Role>
      <ShortName>Pensions and other postretirement benefit plans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952164 - Disclosure - Fair value measurement</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Fairvaluemeasurement</Role>
      <ShortName>Fair value measurement</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - Income taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Incometaxes</Role>
      <ShortName>Income taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - Supplemental equity and other information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Supplementalequityandotherinformation</Role>
      <ShortName>Supplemental equity and other information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9952167 - Disclosure - Commitments, contingencies, and other matters</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Commitmentscontingenciesandothermatters</Role>
      <ShortName>Commitments, contingencies, and other matters</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9952168 - Disclosure - Segment reporting</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Segmentreporting</Role>
      <ShortName>Segment reporting</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9952169 - Disclosure - Other supplemental information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Othersupplementalinformation</Role>
      <ShortName>Other supplemental information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9955511 - Disclosure - Description of business and basis of presentation (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/DescriptionofbusinessandbasisofpresentationPolicies</Role>
      <ShortName>Description of business and basis of presentation (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9955512 - Disclosure - Revenues (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/RevenuesTables</Role>
      <ShortName>Revenues (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.usatodayco.com/role/Revenues</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9955513 - Disclosure - Accounts receivable, net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/AccountsreceivablenetTables</Role>
      <ShortName>Accounts receivable, net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.usatodayco.com/role/Accountsreceivablenet</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9955514 - Disclosure - Goodwill and intangible assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/GoodwillandintangibleassetsTables</Role>
      <ShortName>Goodwill and intangible assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.usatodayco.com/role/Goodwillandintangibleassets</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9955515 - Disclosure - Integration and reorganization costs (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/IntegrationandreorganizationcostsTables</Role>
      <ShortName>Integration and reorganization costs (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.usatodayco.com/role/Integrationandreorganizationcosts</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9955516 - Disclosure - Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/DebtTables</Role>
      <ShortName>Debt (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.usatodayco.com/role/Debt</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9955517 - Disclosure - Pensions and other postretirement benefit plans (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/PensionsandotherpostretirementbenefitplansTables</Role>
      <ShortName>Pensions and other postretirement benefit plans (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.usatodayco.com/role/Pensionsandotherpostretirementbenefitplans</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9955518 - Disclosure - Income taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/IncometaxesTables</Role>
      <ShortName>Income taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.usatodayco.com/role/Incometaxes</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9955519 - Disclosure - Supplemental equity and other information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/SupplementalequityandotherinformationTables</Role>
      <ShortName>Supplemental equity and other information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.usatodayco.com/role/Supplementalequityandotherinformation</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9955520 - Disclosure - Segment reporting (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/SegmentreportingTables</Role>
      <ShortName>Segment reporting (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.usatodayco.com/role/Segmentreporting</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9955521 - Disclosure - Other supplemental information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/OthersupplementalinformationTables</Role>
      <ShortName>Other supplemental information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.usatodayco.com/role/Othersupplementalinformation</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9955522 - Disclosure - Description of business and basis of presentation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/DescriptionofbusinessandbasisofpresentationDetails</Role>
      <ShortName>Description of business and basis of presentation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.usatodayco.com/role/DescriptionofbusinessandbasisofpresentationPolicies</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9955523 - Disclosure - Revenues - Schedule of Disaggregation of Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/RevenuesScheduleofDisaggregationofRevenueDetails</Role>
      <ShortName>Revenues - Schedule of Disaggregation of Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9955524 - Disclosure - Revenues - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/RevenuesNarrativeDetails</Role>
      <ShortName>Revenues - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9955525 - Disclosure - Revenues - Schedule of Deferred Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/RevenuesScheduleofDeferredRevenueDetails</Role>
      <ShortName>Revenues - Schedule of Deferred Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9955526 - Disclosure - Accounts receivable, net - Schedule of Allowance for Credit Losses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/AccountsreceivablenetScheduleofAllowanceforCreditLossesDetails</Role>
      <ShortName>Accounts receivable, net - Schedule of Allowance for Credit Losses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9955527 - Disclosure - Accounts receivable, net - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/AccountsreceivablenetNarrativeDetails</Role>
      <ShortName>Accounts receivable, net - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9955528 - Disclosure - Goodwill and intangible assets - Schedule of Goodwill and Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/GoodwillandintangibleassetsScheduleofGoodwillandIntangibleAssetsDetails</Role>
      <ShortName>Goodwill and intangible assets - Schedule of Goodwill and Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9955529 - Disclosure - Goodwill and intangible assets - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/GoodwillandintangibleassetsNarrativeDetails</Role>
      <ShortName>Goodwill and intangible assets - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9955530 - Disclosure - Integration and reorganization costs - Schedule of Severance-Related Expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/IntegrationandreorganizationcostsScheduleofSeveranceRelatedExpensesDetails</Role>
      <ShortName>Integration and reorganization costs - Schedule of Severance-Related Expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9955531 - Disclosure - Integration and reorganization costs - Schedule of Restructuring Reserve (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/IntegrationandreorganizationcostsScheduleofRestructuringReserveDetails</Role>
      <ShortName>Integration and reorganization costs - Schedule of Restructuring Reserve (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9955532 - Disclosure - Integration and reorganization costs - Schedule of Other Reorganization-Related Charges (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/IntegrationandreorganizationcostsScheduleofOtherReorganizationRelatedChargesDetails</Role>
      <ShortName>Integration and reorganization costs - Schedule of Other Reorganization-Related Charges (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9955533 - Disclosure - Debt - Schedule of Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/DebtScheduleofDebtDetails</Role>
      <ShortName>Debt - Schedule of Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9955534 - Disclosure - Debt - 2029 Term Loan Facility (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/Debt2029TermLoanFacilityDetails</Role>
      <ShortName>Debt - 2029 Term Loan Facility (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9955535 - Disclosure - Debt - Senior Secured Convertible Notes due 2027, Senior Secured Convertible Notes due 2031, and the Convertible Notes Exchange (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.usatodayco.com/role/DebtSeniorSecuredConvertibleNotesdue2027SeniorSecuredConvertibleNotesdue2031andtheConvertibleNotesExchangeDetails</Role>
      <ShortName>Debt - Senior Secured Convertible Notes due 2027, Senior Secured Convertible Notes due 2031, and the Convertible Notes Exchange (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9955536 - Disclosure - Pensions and other postretirement benefit plans - Schedule of Components of Net Periodic Pension and Postretirement Benefits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/PensionsandotherpostretirementbenefitplansScheduleofComponentsofNetPeriodicPensionandPostretirementBenefitsDetails</Role>
      <ShortName>Pensions and other postretirement benefit plans - Schedule of Components of Net Periodic Pension and Postretirement Benefits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9955537 - Disclosure - Pensions and other postretirement benefit plans - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/PensionsandotherpostretirementbenefitplansNarrativeDetails</Role>
      <ShortName>Pensions and other postretirement benefit plans - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9955538 - Disclosure - Income taxes - Schedule of Pre-tax Net Income (Loss) and Income Tax (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/IncometaxesScheduleofPretaxNetIncomeLossandIncomeTaxDetails</Role>
      <ShortName>Income taxes - Schedule of Pre-tax Net Income (Loss) and Income Tax (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9955539 - Disclosure - Income taxes - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/IncometaxesNarrativeDetails</Role>
      <ShortName>Income taxes - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9955540 - Disclosure - Supplemental equity and other information - Schedule of Basic and Diluted Income Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/SupplementalequityandotherinformationScheduleofBasicandDilutedIncomePerShareDetails</Role>
      <ShortName>Supplemental equity and other information - Schedule of Basic and Diluted Income Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9955541 - Disclosure - Supplemental equity and other information - Schedule of Securities Excluded From Computation of Diluted Income Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/SupplementalequityandotherinformationScheduleofSecuritiesExcludedFromComputationofDilutedIncomePerShareDetails</Role>
      <ShortName>Supplemental equity and other information - Schedule of Securities Excluded From Computation of Diluted Income Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9955542 - Disclosure - Supplemental equity and other information - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/SupplementalequityandotherinformationNarrativeDetails</Role>
      <ShortName>Supplemental equity and other information - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9955543 - Disclosure - Supplemental equity and other information - Schedule of Accumulated Other Comprehensive Loss, Net of Tax (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/SupplementalequityandotherinformationScheduleofAccumulatedOtherComprehensiveLossNetofTaxDetails</Role>
      <ShortName>Supplemental equity and other information - Schedule of Accumulated Other Comprehensive Loss, Net of Tax (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9955544 - Disclosure - Segment reporting - Schedule of Revenue Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/SegmentreportingScheduleofRevenueInformationDetails</Role>
      <ShortName>Segment reporting - Schedule of Revenue Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9955545 - Disclosure - Segment reporting - Schedule of Reconciliation of Segment Adjusted EBITDA (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/SegmentreportingScheduleofReconciliationofSegmentAdjustedEBITDADetails</Role>
      <ShortName>Segment reporting - Schedule of Reconciliation of Segment Adjusted EBITDA (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9955546 - Disclosure - Segment reporting - Schedule of Reconciliation of Segment Adjusted EBTIDA to Loss Before Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/SegmentreportingScheduleofReconciliationofSegmentAdjustedEBTIDAtoLossBeforeTaxesDetails</Role>
      <ShortName>Segment reporting - Schedule of Reconciliation of Segment Adjusted EBTIDA to Loss Before Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9955547 - Disclosure - Other supplemental information - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/OthersupplementalinformationNarrativeDetails</Role>
      <ShortName>Other supplemental information - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9955548 - Disclosure - Other supplemental information - Schedule of Cash, Cash Equivalents and Restricted Cash (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/OthersupplementalinformationScheduleofCashCashEquivalentsandRestrictedCashDetails</Role>
      <ShortName>Other supplemental information - Schedule of Cash, Cash Equivalents and Restricted Cash (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9955549 - Disclosure - Other supplemental information - Schedule of Supplemental Cash Flow Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/OthersupplementalinformationScheduleofSupplementalCashFlowInformationDetails</Role>
      <ShortName>Other supplemental information - Schedule of Supplemental Cash Flow Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="tday-20260630.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9955550 - Disclosure - Other supplemental information - Schedule of Accounts Payable and Accrued Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.usatodayco.com/role/OthersupplementalinformationScheduleofAccountsPayableandAccruedLiabilitiesDetails</Role>
      <ShortName>Other supplemental information - Schedule of Accounts Payable and Accrued Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="tday-20260630.htm">tday-20260630.htm</File>
    <File>tday-20260630.xsd</File>
    <File>tday-20260630_cal.xml</File>
    <File>tday-20260630_def.xml</File>
    <File>tday-20260630_lab.xml</File>
    <File>tday-20260630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="1">http://fasb.org/srt/2026</BaseTaxonomy>
    <BaseTaxonomy items="1141">http://fasb.org/us-gaap/2026</BaseTaxonomy>
    <BaseTaxonomy items="30">http://xbrl.sec.gov/dei/2026</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2026</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
