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Note 11 - Income (Loss) Per Share (Details) - Calculation of Income (Loss) Per Share (USD $)
In Thousands, unless otherwise specified

3 Months Ended

12 Months Ended

Dec. 28, 2014

Sep. 28, 2014

Jun. 29, 2014

Mar. 30, 2014

Dec. 29, 2013

Sep. 29, 2013

Jun. 30, 2013

Mar. 31, 2013

Dec. 28, 2014

Dec. 29, 2013

Dec. 30, 2012

Note 11 - Income (Loss) Per Share (Details) - Calculation of Income (Loss) Per Share [Line Items]

Income from continuing operations (in Dollars)

$ 24,808us-gaap_IncomeLossFromContinuingOperations

$ 48,255us-gaap_IncomeLossFromContinuingOperations

$ 22,899us-gaap_IncomeLossFromContinuingOperations

Net income (in Dollars)

15,336us-gaap_NetIncomeLoss

^[1]

14,957us-gaap_NetIncomeLoss

10,965us-gaap_NetIncomeLoss

6,997us-gaap_NetIncomeLoss

8,088us-gaap_NetIncomeLoss

^[2]

(376)us-gaap_NetIncomeLoss

^[3]

13,071us-gaap_NetIncomeLoss

4,025us-gaap_NetIncomeLoss

Shares for Basic Earnings Per Share

66,389us-gaap_WeightedAverageNumberOfSharesOutstandingBasic

66,194us-gaap_WeightedAverageNumberOfSharesOutstandingBasic

65,767us-gaap_WeightedAverageNumberOfSharesOutstandingBasic

Dilutive Effect of Stock Options

59us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

103us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

133us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

Shares for Diluted Earnings Per Share

66,448us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

66,297us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

65,900us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

Participating Securities [Member]

Note 11 - Income (Loss) Per Share (Details) - Calculation of Income (Loss) Per Share [Line Items]

Income from continuing operations (in Dollars)

500us-gaap_IncomeLossFromContinuingOperations
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1,200us-gaap_IncomeLossFromContinuingOperations
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700us-gaap_IncomeLossFromContinuingOperations
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Net income (in Dollars)

$ 500us-gaap_NetIncomeLoss
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$ 1,200us-gaap_NetIncomeLoss
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$ 200us-gaap_NetIncomeLoss
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Weighted Average Shares Outstanding

64,998tile_WeightedAverageSharesOutstandingBasicExcludingParticipatingSecurities
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64,486tile_WeightedAverageSharesOutstandingBasicExcludingParticipatingSecurities
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63,793tile_WeightedAverageSharesOutstandingBasicExcludingParticipatingSecurities
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Participating Securities

1,391tile_ParticipatingSecurities
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1,708tile_ParticipatingSecurities
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1,974tile_ParticipatingSecurities
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[1]	The fourth quarter of 2013 includes a gain of $7.0 million related to final settlement of the Company's fire insurance claim in Australia. The fourth quarter of 2013 also includes $1.7 million of expenses related to debt retirement.
[2]	Results for the fourth quarter of 2014 include debt retirement expenses of $12.0 million.
[3]	Results for the third quarter of 2014 include restructuring and asset impairment charges of $12.4 million.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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