XML 112 R96.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Schedule II - Valuation and Qualifying Accounts and Reserves (Details) - Valuation and Qualifying Accounts and Reserves - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 03, 2016 | Dec. 28, 2014 | Dec. 29, 2013
Allowance for Doubtful Accounts [Member] |  |  |  |
Year Ended: |  |  |  |
Balance, at beginning of year |  | $ 5,896 | $ 7,646 | $ 8,818
Charged to costs and expenses | [1] | 212 | (730) | 253
Charged to other accounts |  | 0 | 0 | 0
Deductions | [2] | 1,629 | 1,020 | 1,425
Balance, at end of year |  | 4,479 | 5,896 | 7,646
Business Restructuring Reserves [Member] |  |  |  |
Year Ended: |  |  |  |
Balance, at beginning of year |  | 7,179 | 519 | 4,350
Charged to costs and expenses | [1] | (481) | 9,315 | 0
Charged to other accounts | [3] | 0 | 2,717 | 0
Deductions | [4] | 6,594 | 5,372 | 3,831
Balance, at end of year |  | 104 | 7,179 | 519
Warranty and Sales Allowance Reserves [Member] |  |  |  |
Year Ended: |  |  |  |
Balance, at beginning of year |  | 3,954 | 4,935 | 4,331
Charged to costs and expenses | [1] | 2,584 | 457 | 1,806
Charged to other accounts |  | 0 | 0 | 0
Deductions | [5] | 1,779 | 1,438 | 1,202
Balance, at end of year |  | 4,759 | 3,954 | 4,935
Inventory Valuation Reserve [Member] |  |  |  |
Year Ended: |  |  |  |
Balance, at beginning of year |  | 14,784 | 13,416 | 12,946
Charged to costs and expenses | [1] | 3,758 | 4,819 | 3,445
Charged to other accounts |  | 0 | 0 | 0
Deductions | [6] | 3,075 | 3,451 | 2,975
Balance, at end of year |  | $ 15,467 | $ 14,784 | $ 13,416
[1] | Includes changes in foreign currency exchange rates.
[2] | Write off of bad debt, and recovering of previously provided for amounts.
[3] | Reduction of asset carrying value.
[4] | Cash payments.
[5] | Represents credits and costs applied against reserve and adjustments to reflect actual exposure.
[6] | Represents costs applied against reserve and adjustments to reflect actual exposure.

X
- References No definition available. + Details
Name: | tile_YearEndedAbstract
Namespace Prefix: | tile_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
Name: | us-gaap_ValuationAllowancesAndReservesBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to costs and expenses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
Name: | us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to accounts other than costs and expenses in a given period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
Name: | us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
Name: | us-gaap_ValuationAllowancesAndReservesDeductions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_AllowanceForDoubtfulAccountsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_BusinessRestructuringReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=tile_WarrantyAndSalesAllowanceReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_InventoryValuationReserveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |