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Restructuring, acquisition and integration-related costs (Restructuring Reserve) (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jul. 04, 2015 | Jun. 28, 2014
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2014 | $ 4,878 |
Provision | 13,818 | $ 8,751
Cash payments | (8,844) |
Non-cash items | (13,320) |
Balance as of July 4, 2015 | $ 4,103 |
Period in which lease impairments, severance and other restructuring costs are expected to be paid | 4 years |
Lease Impairments [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2014 | $ 1,741 |
Cash payments | (2,437) |
Non-cash items | 0 |
Balance as of July 4, 2015 | 1,181 |
Asset Write-Down [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2014 | 0 |
Cash payments | 0 |
Non-cash items | (14,144) |
Balance as of July 4, 2015 | 0 |
Severance [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2014 | 3,037 |
Cash payments | (2,814) |
Non-cash items | 0 |
Balance as of July 4, 2015 | 2,858 |
Other Restructuring [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2014 | 100 |
Cash payments | (3,593) |
Non-cash items | 824 |
Balance as of July 4, 2015 | 64 |
Operating Segments [Member] | Global Ceramic Segment [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | 317 |
Operating Segments [Member] | Global Ceramic Segment [Member] | Lease Impairments [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | 0 |
Operating Segments [Member] | Global Ceramic Segment [Member] | Asset Write-Down [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | 1,141 |
Operating Segments [Member] | Global Ceramic Segment [Member] | Severance [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | 0 |
Operating Segments [Member] | Global Ceramic Segment [Member] | Other Restructuring [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | (824) |
Operating Segments [Member] | Flooring NA Segment [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | 11,480 |
Operating Segments [Member] | Flooring NA Segment [Member] | Lease Impairments [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | 1,877 |
Operating Segments [Member] | Flooring NA Segment [Member] | Asset Write-Down [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | 5,416 |
Operating Segments [Member] | Flooring NA Segment [Member] | Severance [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | 1,700 |
Operating Segments [Member] | Flooring NA Segment [Member] | Other Restructuring [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | 2,487 |
Operating Segments [Member] | Flooring ROW Segment [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | 9,592 |
Operating Segments [Member] | Flooring ROW Segment [Member] | Lease Impairments [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | 0 |
Operating Segments [Member] | Flooring ROW Segment [Member] | Asset Write-Down [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | 7,587 |
Operating Segments [Member] | Flooring ROW Segment [Member] | Severance [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | 935 |
Operating Segments [Member] | Flooring ROW Segment [Member] | Other Restructuring [Member] |  |
Restructuring Reserve [Roll Forward] |  |
Provision | $ 1,070 |

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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 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + 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 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 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) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: 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 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 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + 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 SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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