XML 120 R74.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 14 - Discontinued Operations (Details) (USD $)
12 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Dec. 30, 2012
Note 14 - Discontinued Operations (Details) [Line Items]      
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest $ 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax $ 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax $ (16,956,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Bentley Prince Street [Member]      
Note 14 - Discontinued Operations (Details) [Line Items]      
Gain (Loss) on Disposition of Business     (8,600,000)us-gaap_GainLossOnSaleOfBusiness
/ us-gaap_IncomeStatementLocationAxis
= tile_BentleyPrinceStreetMember
Direct Cost to Sell Business Segment Included in Loss from Discontinued Operations     5,900,000tile_DirectCostToSellBusinessSegmentIncludedInLossFromDiscontinuedOperations
/ us-gaap_IncomeStatementLocationAxis
= tile_BentleyPrinceStreetMember
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest     $ (2,500,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
/ us-gaap_IncomeStatementLocationAxis
= tile_BentleyPrinceStreetMember