XML 67 R40.htm IDEA: XBRL DOCUMENT
v2.4.0.6

EMPLOYEE BENEFIT PLANS (Tables) | 12 Months Ended
--- | ---
Dec. 30, 2012
Funded Status of Company Significant Foreign Defined Benefit Plans | The tables presented below set forth the funded status of the Company’s significant foreign defined benefit plans and required disclosures in accordance with applicable accounting standards
|  | FISCAL YEAR |
|  | 2012 |  |  | 2011 |
|  | (in thousands) |
Change in benefit obligation |  |  |  |  |  |  |  |
Benefit obligation, beginning of year |  | $ | 216,721 |  |  | $ | 212,378 |
Service cost |  |  | 505 |  |  |  | 469 |
Interest cost |  |  | 10,212 |  |  |  | 11,386 |
Benefits and expenses paid |  |  | (9,969 | ) |  |  | (11,641 | )
Actuarial loss (gain) |  |  | 17,538 |  |  |  | 5,224 |
Member contributions |  |  | 296 |  |  |  | 375 |
Currency translation adjustment |  |  | 8,346 |  |  |  | (1,470 | )
Benefit obligation, end of year |  | $ | 243,649 |  |  | $ | 216,721 |
|  | FISCAL YEAR |
|  | 2012 |  |  | 2011 |
|  | (in thousands) |
Change in plan assets |  |  |  |  |  |  |  |
Plan assets, beginning of year |  | $ | 206,402 |  |  | $ | 205,810 |
Actual return on assets |  |  | 31,204 |  |  |  | 8,769 |
Company contributions |  |  | 5,248 |  |  |  | 5,112 |
Member contributions |  |  | 0 |  |  |  | 0 |
Benefits paid |  |  | (9,704 | ) |  |  | (11,697 | )
Currency translation adjustment |  |  | 7,877 |  |  |  | (1,592 | )
Plan assets, end of year |  | $ | 241,027 |  |  | $ | 206,402 |
Reconciliation to balance sheet |  |  |  |  |  |  |  |
Funded status (benefit liability) |  | $ | (2,622 | ) |  | $ | (10,319 | )
Net amount recognized |  | $ | (2,622 | ) |  | $ | (10,319 | )
Amounts recognized in accumulated other comprehensive income (after tax) |  |  |  |  |  |  |  |
Unrecognized actuarial loss |  | $ | 30,711 |  |  | $ | 32,455 |
Unamortized prior service costs |  |  | 774 |  |  |  | 809 |
Total amount recognized |  | $ | 31,485 |  |  | $ | 33,264 |
Schedule of Defined Benefit Plans | As of December 30, 2012, and January 1, 2012, one of these plans, which primarily covers certain employees in the United Kingdom (the “UK Plan”), had an accumulated benefit obligation in excess of the plan assets. The other plan, which covers certain employees in Europe (the “Europe Plan”), had assets in excess of the accumulated benefit obligation. The following table summarizes this information as of December 30, 2012, and January 1, 2012.
|  | 2012 |  |  | 2011 |
|  | (in thousands) |
UK Plan |  |  |  |
Projected Benefit Obligation |  | $ | 171,381 |  |  | $ | 157,600 |
Accumulated Benefit Obligation |  |  | 171,381 |  |  |  | 157,600 |
Plan Assets |  |  | 162,998 |  |  |  | 139,796 |
Europe Plan |  |  |  |  |  |  |  |
Projected Benefit Obligation |  | $ | 72,267 |  |  | $ | 59,121 |
Accumulated Benefit Obligation |  |  | 69,472 |  |  |  | 57,247 |
Plan Assets |  |  | 78,029 |  |  |  | 66,606 |
|  | FISCAL YEAR |
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (in thousands) |
Components of net periodic benefit cost |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 505 |  |  | $ | 492 |  |  | $ | 357 |
Interest cost |  |  | 10,212 |  |  |  | 11,194 |  |  |  | 10,873 |
Expected return on plan assets |  |  | (11,203 | ) |  |  | (11,966 | ) |  |  | (11,058 | )
Amortization of prior service cost |  |  | 86 |  |  |  | 0 |  |  |  | 89 |
Recognized net actuarial (gains)/losses |  |  | 1,189 |  |  |  | 602 |  |  |  | 1,566 |
Net periodic benefit cost |  | $ | 789 |  |  | $ | 322 |  |  | $ | 1,827 |
Assumption Used to Determine Net Period Benefit Cost | During 2012, other comprehensive income was impacted by approximately $2.7 million comprised of actuarial gain of approximately $1.8 million and amortization of $0.8 million
|  | FISCAL YEAR |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Weighted average assumptions used to determine net periodic benefit cost |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 4.7 | % |  |  | 5.3 | % |  |  | 5.6 | %
Expected return on plan assets |  |  | 5.7 | % |  |  | 5.9 | % |  |  | 6.6 | %
Rate of compensation |  |  | 2.0 | % |  |  | 2.0 | % |  |  | 2.0 | %
Weighted average assumptions used to determine benefit obligations |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 4.0 | % |  |  | 4.7 | % |  |  | 5.3 | %
Rate of compensation |  |  | 2.0 | % |  |  | 2.0 | % |  |  | 2.0 | %
Projected, Accumulated Benefit Plans and Fair Value of Plan Assets | The projected benefit obligations, accumulated benefit obligations and fair value of these plan assets are as follows:
|  | FISCAL YEAR |
|  | 2012 |  |  | 2011 |
|  | (in thousands) |
Projected benefit obligation |  | $ | 243,649 |  |  | $ | 216,721 |
Accumulated benefit obligations |  |  | 240,853 |  |  |  | 214,848 |
Fair value of plan assets |  |  | 241,027 |  |  |  | 206,402 |
Weighted Average Assets Allocation and Target Asset Allocation | The Company’s actual weighted average asset allocations for 2012 and 2011, and the targeted asset allocation for 2013, of the foreign defined benefit plans by asset category, are as follows:
|  | FISCAL YEAR |
|  | 2013 |  |  | 2012 |  |  | 2011 |
|  | Target Allocation |  |  | Percentage of Plan Assets at Year End |
Asset Category: |  |  |  |  |  |  |  |  |  |  |  |
Equity Securities |  |  | 55-65 | % |  |  | 68 | % |  |  | 66 | %
Debt Securities |  |  | 30-40 | % |  |  | 28 | % |  |  | 30 | %
Other |  |  | 0-5 | % |  |  | 4 | % |  |  | 4 | %
|  |  | 100 | % |  |  | 100 | % |  |  | 100 | %
Pension Plan Assets at Fair Value | The following table sets forth by level within the fair value hierarchy the foreign defined benefit plans’ assets at fair value, as of December 30, 2012 and January 1, 2012. As required by accounting standards, assets are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.
|  | Pension Plan Assets by Category as of December 30, 2012 |
|  | Europe Plan |  |  | UK Plan |  |  | Total |
|  |  |  |  | (in thousands) |  |  |  |
Level 1 |  | $ | 78,029 |  |  | $ | 153,847 |  |  | $ | 231,876 |
Level 2 |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Level 3 |  |  | 0 |  |  |  | 9,151 |  |  |  | 9,151 |
Total |  | $ | 78,029 |  |  | $ | 162,998 |  |  | $ | 241,027 |
|  | Pension Plan Assets by Category as of January 1, 2012 |
|  | Europe Plan |  |  | UK Plan |  |  | Total |
|  |  |  |  | (in thousands) |  |  |  |
Level 1 |  | $ | 66,606 |  |  | $ | 132,491 |  |  | $ | 199,097 |
Level 2 |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Level 3 |  |  | 0 |  |  |  | 7,305 |  |  |  | 7,305 |
Total |  | $ | 66,606 |  |  | $ | 139,796 |  |  | $ | 206,402 |
Domestic SCP [Member] |
Change in Value of Assets | The tables presented below set forth the required disclosures in accordance with applicable accounting standards, and amounts recognized in the consolidated financial statements related to the domestic SCP.
|  | FISCAL YEAR |
|  | 2012 |  |  | 2011 |
|  | (in thousands) |
Change in benefit obligation |  |  |  |  |  |  |  |
Benefit obligation, beginning of year |  | $ | 19,308 |  |  | $ | 19,008 |
Service cost |  |  | 452 |  |  |  | 393 |
Interest cost |  |  | 1,014 |  |  |  | 1,135 |
Benefits paid |  |  | (847 | ) |  |  | (949 | )
Actuarial loss (gain) |  |  | 1,996 |  |  |  | (279 | )
Benefit obligation, end of year |  | $ | 21,923 |  |  | $ | 19,308 |
Foreign Defined Benefit Plans | It is anticipated that future benefit payments for the SCP will be as follows:
FISCAL YEAR |  | EXPECTED PAYMENTS |
|  | (in thousands) |
2013 |  | $ | 847 |
2014 |  |  | 847 |
2015 |  |  | 847 |
2016 |  |  | 847 |
2017 |  |  | 847 |
2018-2022 |  |  | 6,706 |
Amount Recognized in Consolidated Balance Sheets | The amounts recognized in the consolidated balance sheets are as follows:
|  | 2012 |  |  | 2011 |
|  | (in thousands) |
Current liabilities |  | $ | 847 |  |  | $ | 847 |
Non-current liabilities |  |  | 21,076 |  |  |  | 18,461 |
|  | $ | 21,923 |  |  | $ | 19,308 |
Components of Accumulated Other Comprehensive Income | The components of the amounts in accumulated other comprehensive income, after tax, are as follows:
|  | 2012 |  |  | 2011 |
|  | (in thousands) |
Unrecognized actuarial loss |  | $ | 3,963 |  |  | $ | 2,926 |
Unrecognized transition asset |  |  | 0 |  |  |  | 0 |
Unamortized prior service cost |  |  | 43 |  |  |  | 72 |
|  | $ | 4,006 |  |  | $ | 2,998 |
Salary Continuation Plan (SCP) [Member] |
Assumption Used to Determine Net Period Benefit Cost | The Company uses insurance instruments to help limit its exposure under the SCP.
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (in thousands, except for assumptions) |
Assumptions used to determine net periodic benefit cost |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 4.75 | % |  |  | 5.5 | % |  |  | 6.0 | %
Rate of compensation |  |  | 4.0 | % |  |  | 4.0 | % |  |  | 4.0 | %
Assumptions used to determine benefit obligations |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 4.0 | % |  |  | 4.75 | % |  |  | 5.5 | %
Rate of compensation |  |  | 4.0 | % |  |  | 4.0 | % |  |  | 4.0 | %
Components of net periodic benefit cost |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 452 |  |  | $ | 393 |  |  | $ | 342 |
Interest cost |  |  | 1,014 |  |  |  | 1,138 |  |  |  | 1,121 |
Amortizations |  |  | 316 |  |  |  | 637 |  |  |  | 545 |
Net periodic benefit cost |  | $ | 1,782 |  |  | $ | 2,168 |  |  | $ | 2,008 |
Foreign defined benefit plans [Member] |
Foreign Defined Benefit Plans | It is anticipated that future benefit payments for the foreign defined benefit plans will be as follows:
FISCAL YEAR |  | EXPECTED PAYMENTS |
|  | (in thousands) |
2013 |  | $ | 10,003 |
2014 |  |  | 10,144 |
2015 |  |  | 10,343 |
2016 |  |  | 10,669 |
2017 |  |  | 10,902 |
2018-2022 |  |  | 55,684 |
Level 3 [Member] |
Change in Value of Assets | The table below indicates the change in value related to these level 3 assets during 2012:
|  | (in thousands) |
Balance of level 3 assets, beginning of year |  | $ | 7,305 |
Interest cost |  |  | 380 |
Benefits paid |  |  | (1,129 | )
Actuarial gain |  |  | 2,243 |
Translation adjustment |  |  | 352 |
Ending Balance of level 3 assets |  | $ | 9,151 |

X
- Definition Schedule Of Accumulated Benefit Obligations Projected Benefit Obligations And Fair Value Of Plan Assets [Table Text Block] + References No definition available. + Details
Name: | tile_ScheduleOfAccumulatedBenefitObligationsProjectedBenefitObligationsAndFairValueOfPlanAssetsTableTextBlock
Namespace Prefix: | tile_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Changes In Projected Benefit Obligations And Plan Assets And Net Funded Status Table [Text Block] + References No definition available. + Details
Name: | tile_ScheduleOfChangesInProjectedBenefitObligationsAndPlanAssetsAndNetFundedStatusTableTextBlock
Namespace Prefix: | tile_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of accumulated benefit obligations and fair values of plan assets of pension plans and/or other employee benefit plans where the accumulated benefit obligation exceeds the fair value of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2417-114920 + Details
Name: | us-gaap_ScheduleOfAccumulatedBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAssumptionsUsedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph 4, 7, 16, 20, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2417-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=21916443&loc=d3e4179-114921 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2410-114920 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2439-114920 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5, 6, 7 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration