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Restructuring, acquisition and integration-related costs - Restructuring Reserve (Details) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 29, 2018 | Sep. 30, 2017
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2017 | $ 1,095 |
Restructuring costs | 42,791 | $ 27,099
Cash payments | (37,215) |
Non-cash items | (4,330) |
Balance as of September 29, 2018 | 2,341 |
Lease impairments |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2017 | 359 |
Cash payments | (500) |
Non-cash items | 0 |
Balance as of September 29, 2018 | 95 |
Asset write-downs |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2017 | 0 |
Cash payments | 0 |
Non-cash items | (730) |
Balance as of September 29, 2018 | 0 |
Severance |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2017 | 584 |
Cash payments | (11,197) |
Non-cash items | (155) |
Balance as of September 29, 2018 | 2,182 |
Other restructuring costs |  |
Restructuring Reserve [Roll Forward] |  |
Balance as of December 31, 2017 | 152 |
Cash payments | (25,518) |
Non-cash items | (3,445) |
Balance as of September 29, 2018 | 64 |
Provision - Corporate |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 476 |
Provision - Corporate | Lease impairments |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 0 |
Provision - Corporate | Asset write-downs |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 0 |
Provision - Corporate | Severance |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 476 |
Provision - Corporate | Other restructuring costs |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 0 |
Operating segments | Provision - Global Ceramic segment |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 6,674 |
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 | 30 |
Operating segments | Provision - Global Ceramic segment | Severance |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 6,557 |
Operating segments | Provision - Global Ceramic segment | Other restructuring costs |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 87 |
Operating segments | Provision - Flooring NA segment |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 34,810 |
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 | 700 |
Operating segments | Provision - Flooring NA segment | Severance |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 4,985 |
Operating segments | Provision - Flooring NA segment | Other restructuring costs |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 28,889 |
Operating segments | Provision - Flooring ROW segment |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | 831 |
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 | 932 |
Operating segments | Provision - Flooring ROW segment | Other restructuring costs |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring costs | $ (101) |

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