XML 47 R36.htm IDEA: XBRL DOCUMENT
v3.20.2

Revenue Recognition - Narrative (Details) | 9 Months Ended
--- | ---
Oct. 04, 2020 | Sep. 29, 2019
Carpet, Modular Resilient Flooring, and Related Products |  |
Percent of revenue due to contracts with customers (percentage) | 98.00% | 98.00%
Installation of Carpet and Other Flooring Related Material |  |
Percent of revenue due to contracts with customers (percentage) | 2.00% | 2.00%

X
- 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: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

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