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Note 17 - Fire at Australian Manufacturing Facility (Details) (USD $) | 3 Months Ended | 9 Months Ended | 12 Months Ended | 24 Months Ended |
--- | --- | --- | --- | --- | ---
Dec. 29, 2013 | Sep. 29, 2013 | Dec. 29, 2013 | Dec. 30, 2012 | Dec. 29, 2013 | Dec. 28, 2014
Note 17 - Fire at Australian Manufacturing Facility (Details) [Line Items] |  |  |  |  |  |
Asset Impairment Charges |  |  | $ 2,700,000 us-gaap_AssetImpairmentCharges | $ 22,300,000 us-gaap_AssetImpairmentCharges | $ 69,700,000 us-gaap_AssetImpairmentCharges |
Excess Production Cost Due To Fire |  |  | 23,400,000 tile_ExcessProductionCostDueToFire | 21,300,000 tile_ExcessProductionCostDueToFire |  |
Insurance Recoveries | 22,300,000 us-gaap_InsuranceRecoveries | 33,700,000 us-gaap_InsuranceRecoveries |  | 20,700,000 us-gaap_InsuranceRecoveries | 76,700,000 us-gaap_InsuranceRecoveries |
Prepaid Expense and Other Assets, Current | 23,411,000 us-gaap_PrepaidExpenseAndOtherAssetsCurrent |  | 23,411,000 us-gaap_PrepaidExpenseAndOtherAssetsCurrent |  | 23,411,000 us-gaap_PrepaidExpenseAndOtherAssetsCurrent | 20,780,000 us-gaap_PrepaidExpenseAndOtherAssetsCurrent
Gain on Business Interruption Insurance Recovery |  |  | 7,000,000 us-gaap_GainOnBusinessInterruptionInsuranceRecovery |  |  |
Insurance Claims [Member] |  |  |  |  |  |
Note 17 - Fire at Australian Manufacturing Facility (Details) [Line Items] |  |  |  |  |  |
Prepaid Expense and Other Assets, Current |  |  |  | 22,900,000 us-gaap_PrepaidExpenseAndOtherAssetsCurrent / us-gaap_LossContingenciesByNatureOfContingencyAxis = us-gaap_InsuranceClaimsMember |  |
Non-Production Related [Member] |  |  |  |  |  |
Note 17 - Fire at Australian Manufacturing Facility (Details) [Line Items] |  |  |  |  |  |
Loss from Catastrophes |  |  |  | $ 1,700,000 us-gaap_LossFromCatastrophes / us-gaap_StatementOperatingActivitiesSegmentAxis = tile_NonProductionRelatedMember |  |

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 + Details
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- Definition The net amount (to the extent disclosed within this portion of the income statement) by which an insurance settlement exceeds incremental costs incurred from the event causing an interruption of business, plus the insurance award for earnings lost from the event, such as a natural catastrophe, explosion or fire. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6365675&loc=d3e16285-107787 + Details
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- Definition The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The charge against earnings in the period for the uninsured portion of a loss from a fire, explosion, or natural disaster (hurricane, earthquake). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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