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Revenue Recognition - Disaggregation of Revenue (Details) | 9 Months Ended
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Sep. 29, 2019
Americas |
Percentage of net sales (percentage) | 56.20%
Europe |
Percentage of net sales (percentage) | 29.40%
Asia-Pacific |
Percentage of net sales (percentage) | 14.40%

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- Definition The percent of revenue due to direct sales to customers. + References No definition available. + Details
Name: | tile_PercentOfRevenueDueToSalesToCustomers
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Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_StatementGeographicalAxis=srt_AmericasMember
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Data Type: | na
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- Details
Name: | srt_StatementGeographicalAxis=srt_EuropeMember
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Data Type: | na
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- Details
Name: | srt_StatementGeographicalAxis=srt_AsiaPacificMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |