XML 25 R104.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 20 - Items Reclassified from Other Comprehensive Income (Details) (Pension Plan, Defined Benefit [Member], USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 29, 2013
Pension Plan, Defined Benefit [Member] |
Note 20 - Items Reclassified from Other Comprehensive Income (Details) [Line Items] |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Net of Tax | $ 1.3

X
- Details
Name: | tile_Note20ItemsReclassifiedfromOtherComprehensiveIncomeDetailsLineItems
Namespace Prefix: | tile_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after tax of reclassification adjustment from accumulated other comprehensive (income) loss related to net period benefit cost (credit) for pension and other postretirement defined benefit plans. + References No definition available. + Details
Name: | us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration