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Restructuring, acquisition and integration-related costs - Restructuring Reserve (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Apr. 01, 2017
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2017 | $ 1,095 |
Restructuring costs | 18,182 | $ 3,025
Cash payments | (13,298) |
Non-cash items | (471) |
Balance as of March 31, 2018 | 5,508 |
Lease impairments |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2017 | 359 |
Cash payments | (182) |
Non-cash items | 0 |
Balance as of March 31, 2018 | 413 |
Asset write-downs |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2017 | 0 |
Cash payments | 0 |
Non-cash items | (572) |
Balance as of March 31, 2018 | 0 |
Severance |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2017 | 584 |
Cash payments | (3,408) |
Non-cash items | 8 |
Balance as of March 31, 2018 | 4,972 |
Other restructuring costs and currency translation |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2017 | 152 |
Cash payments | (9,708) |
Non-cash items | 93 |
Balance as of March 31, 2018 | 123 |
Operating segments | Provision - Global Ceramic segment |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 2,765 |
Operating segments | Provision - Global Ceramic segment | Lease impairments |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 0 |
Operating segments | Provision - Global Ceramic segment | Asset write-downs |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 0 |
Operating segments | Provision - Global Ceramic segment | Severance |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 2,882 |
Operating segments | Provision - Global Ceramic segment | Other restructuring costs and currency translation |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | (117) |
Operating segments | Provision - Flooring NA segment |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 15,326 |
Operating segments | Provision - Flooring NA segment | Lease impairments |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 236 |
Operating segments | Provision - Flooring NA segment | Asset write-downs |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 572 |
Operating segments | Provision - Flooring NA segment | Severance |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 4,815 |
Operating segments | Provision - Flooring NA segment | Other restructuring costs and currency translation |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 9,703 |
Operating segments | Provision - Flooring ROW segment |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 91 |
Operating segments | Provision - Flooring ROW segment | Lease impairments |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 0 |
Operating segments | Provision - Flooring ROW segment | Asset write-downs |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 0 |
Operating segments | Provision - Flooring ROW segment | Severance |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 91 |
Operating segments | Provision - Flooring ROW segment | Other restructuring costs and currency translation |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | $ 0 |

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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- Definition Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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