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Revenue Recognition - Revenue by Products and Services (Details) | 3 Months Ended
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Mar. 31, 2024 | Apr. 02, 2023
Revenue from the Sale of Flooring Material |  |
Revenue from External Customer [Line Items] |  |
Percent of revenue due to contracts with customers (percentage) | 99.00% | 98.00%
Revenue from Installation of Flooring Material |  |
Revenue from External Customer [Line Items] |  |
Percent of revenue due to contracts with customers (percentage) | 1.00% | 2.00%

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- Definition The percentage of revenue that is derived from contracts with customers. + References No definition available. + Details
Name: | tile_PercentOfRevenueDueToContractsWithCustomers
Namespace Prefix: | tile_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

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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
Name: | us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_ProductOrServiceAxis=tile_ModularCarpetResilientFlooringRubberFlooringAndOtherFlooringRelatedMaterialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_ProductOrServiceAxis=tile_InstallationOfCarpetAndOtherFlooringRelatedMaterialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |