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Goodwill and intangible assets (Tables) | 3 Months Ended
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Mar. 28, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of goodwill | The components of goodwill and other intangible assets are as follows: Goodwill:
| Global Ceramic segment |  | Flooring NA segment |  | Flooring ROW segment |  | Total
Balance as of December 31, 2019 |  |  |  |  |  |  |
Goodwill | $ | 1,583,576 |  |  | 874,198 |  |  | 1,439,678 |  |  | 3,897,452 |
Accumulated impairment losses | (531,930 | ) |  | (343,054 | ) |  | (452,441 | ) |  | (1,327,425 | )
| 1,051,646 |  |  | 531,144 |  |  | 987,237 |  |  | 2,570,027 |
Goodwill recognized during the period | — |  |  | — |  |  | (9,642 | ) |  | (9,642 | )
Currency translation during the period | (23,930 | ) |  | — |  |  | (16,476 | ) |  | (40,406 | )
Balance as of March 28, 2020 |  |  |  |  |  |  |
Goodwill | 1,559,646 |  |  | 874,198 |  |  | 1,413,560 |  |  | 3,847,404 |
Accumulated impairment losses | (531,930 | ) |  | (343,054 | ) |  | (452,441 | ) |  | (1,327,425 | )
| $ | 1,027,716 |  |  | 531,144 |  |  | 961,119 |  |  | 2,519,979 |
Schedule of indefinite life assets not subject to amortization | Intangible assets not subject to amortization:
| Tradenames
Balance as of December 31, 2019 | $ | 702,732 |
Currency translation during the period | (23,829 | )
Balance as of March 28, 2020 | $ | 678,903 |
Schedule of intangible assets subject to amortization | Intangible assets subject to amortization:
Gross carrying amounts: | Customer relationships |  | Patents |  | Other |  | Total
Balance as of December 31, 2019 | $ | 645,206 |  |  | 249,100 |  |  | 6,631 |  |  | 900,937 |
Intangible assets recognized during the period | 12,789 |  |  | — |  |  | — |  |  | 12,789 |
Currency translation during the period | (9,387 | ) |  | (1,471 | ) |  | (204 | ) |  | (11,062 | )
Balance as of March 28, 2020 | $ | 648,608 |  |  | 247,629 |  |  | 6,427 |  |  | 902,664 |
Accumulated amortization: | Customer relationships |  | Patents |  | Other |  | Total
Balance as of December 31, 2019 | $ | 426,765 |  |  | 246,872 |  |  | 1,153 |  |  | 674,790 |
Amortization during the period | 6,324 |  |  | 510 |  |  | 42 |  |  | 6,876 |
Currency translation during the period | (2,670 | ) |  | (1,445 | ) |  | (7 | ) |  | (4,122 | )
Balance as of March 28, 2020 | $ | 430,419 |  |  | 245,937 |  |  | 1,188 |  |  | 677,544 |
Intangible assets subject to amortization, net | $ | 218,189 |  |  | 1,692 |  |  | 5,239 |  |  | 225,120 |
Schedule of intangible assets amortization expense |
| Three Months Ended
| March 28, 2020 |  | March 30, 2019
Amortization expense | $ | 6,876 |  |  | 6,729 |

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