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Goodwill and intangible assets (Schedule of goodwill) (Details) $ in Thousands | 6 Months Ended
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Jul. 04, 2015 USD ($)
Goodwill [Roll Forward] |
Goodwill, gross, beginning balance | $ 2,931,777
Accumulated impairment losses | (1,327,425)
Goodwill, net, beginning balance | 1,604,352
Goodwill recognized or adjusted during the period | 740,766
Currency translation during the year | (50,904)
Goodwill, gross, ending balance | 3,621,639
Accumulated impairment losses | (1,327,425)
Goodwill, net, ending balance | 2,294,214
Global Ceramic Segment [Member] |
Goodwill [Roll Forward] |
Goodwill, gross, beginning balance | 1,395,132
Accumulated impairment losses | (531,930)
Goodwill, net, beginning balance | 863,202
Goodwill recognized or adjusted during the period | 100,048
Currency translation during the year | (106)
Goodwill, gross, ending balance | 1,495,074
Accumulated impairment losses | (531,930)
Goodwill, net, ending balance | 963,144
Flooring NA Segment [Member] |
Goodwill [Roll Forward] |
Goodwill, gross, beginning balance | 538,515
Accumulated impairment losses | (343,054)
Goodwill, net, beginning balance | 195,461
Goodwill recognized or adjusted during the period | 329,401
Currency translation during the year | 0
Goodwill, gross, ending balance | 867,916
Accumulated impairment losses | (343,054)
Goodwill, net, ending balance | 524,862
Flooring ROW Segment [Member] |
Goodwill [Roll Forward] |
Goodwill, gross, beginning balance | 998,130
Accumulated impairment losses | (452,441)
Goodwill, net, beginning balance | 545,689
Goodwill recognized or adjusted during the period | 311,317
Currency translation during the year | (50,798)
Goodwill, gross, ending balance | 1,258,649
Accumulated impairment losses | (452,441)
Goodwill, net, ending balance | $ 806,208

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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