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Goodwill and intangible assets - Schedule of goodwill (Details) $ in Thousands | 9 Months Ended
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Sep. 26, 2020 USD ($)
Goodwill [Roll Forward] |
Goodwill, gross, beginning balance | $ 3,897,452
Accumulated impairment losses, beginning balance | (1,327,425)
Goodwill, net, beginning balance | 2,570,027
Goodwill recognized during the period | (9,642)
Currency translation during the period | 14,256
Goodwill, gross, ending balance | 3,902,066
Accumulated impairment losses, ending balance | (1,327,425)
Goodwill, net, ending balance | 2,574,641
Global Ceramic segment |
Goodwill [Roll Forward] |
Goodwill, gross, beginning balance | 1,583,576
Accumulated impairment losses, beginning balance | (531,930)
Goodwill, net, beginning balance | 1,051,646
Goodwill recognized during the period | 0
Currency translation during the period | (17,997)
Goodwill, gross, ending balance | 1,565,579
Accumulated impairment losses, ending balance | (531,930)
Goodwill, net, ending balance | 1,033,649
Flooring NA segment |
Goodwill [Roll Forward] |
Goodwill, gross, beginning balance | 874,198
Accumulated impairment losses, beginning balance | (343,054)
Goodwill, net, beginning balance | 531,144
Goodwill recognized during the period | 0
Currency translation during the period | 0
Goodwill, gross, ending balance | 874,198
Accumulated impairment losses, ending balance | (343,054)
Goodwill, net, ending balance | 531,144
Flooring ROW segment |
Goodwill [Roll Forward] |
Goodwill, gross, beginning balance | 1,439,678
Accumulated impairment losses, beginning balance | (452,441)
Goodwill, net, beginning balance | 987,237
Goodwill recognized during the period | (9,642)
Currency translation during the period | 32,253
Goodwill, gross, ending balance | 1,462,289
Accumulated impairment losses, ending balance | (452,441)
Goodwill, net, ending balance | $ 1,009,848

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