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Goodwill and Other Intangible Assets - Goodwill (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 26, 2020 | Jun. 27, 2020 | Sep. 26, 2020
Goodwill [Roll Forward] |  |  |
Goodwill, gross, beginning balance |  |  | $ 315,339,000
Accumulated impairment losses, beginning balance |  |  | (44,519,000)
Goodwill, net, beginning balance |  |  | 270,820,000
Goodwill acquired |  |  | 10,422,000
Impairment losses | $ 0 | $ 0 | (21,607,000)
Foreign currency translation adjustment |  |  | 28,000
Goodwill, gross, ending balance | 325,789,000 |  | 325,789,000
Accumulated impairment losses, ending balance | (66,126,000) |  | (66,126,000)
Goodwill, net, ending balance | 259,663,000 |  | 259,663,000
Workplace furnishings |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, gross, beginning balance |  |  | 128,677,000
Accumulated impairment losses, beginning balance |  |  | (44,376,000)
Goodwill, net, beginning balance |  |  | 84,301,000
Goodwill acquired |  |  | 0
Impairment losses |  |  | (21,607,000)
Foreign currency translation adjustment |  |  | 28,000
Goodwill, gross, ending balance | 128,705,000 |  | 128,705,000
Accumulated impairment losses, ending balance | (65,983,000) |  | (65,983,000)
Goodwill, net, ending balance | 62,722,000 |  | 62,722,000
Residential building products |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, gross, beginning balance |  |  | 186,662,000
Accumulated impairment losses, beginning balance |  |  | (143,000)
Goodwill, net, beginning balance |  |  | 186,519,000
Goodwill acquired |  |  | 10,422,000
Impairment losses |  |  | 0
Foreign currency translation adjustment |  |  | 0
Goodwill, gross, ending balance | 197,084,000 |  | 197,084,000
Accumulated impairment losses, ending balance | (143,000) |  | (143,000)
Goodwill, net, ending balance | $ 196,941,000 |  | $ 196,941,000

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