v3.19.3.a.u2

Goodwill - Goodwill by reportable segment (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Changes in the carrying amount of goodwill |  |  |
Goodwill | $ 21.3 | $ 21.3 | $ 21.3
Curtis Palmer |  |  |
Changes in the carrying amount of goodwill |  |  |
Goodwill | 14.4 | 14.4 | 14.4
Morris |  |  |
Changes in the carrying amount of goodwill |  |  |
Goodwill | 3.3 | 3.3 | 3.3
Nipigon |  |  |
Changes in the carrying amount of goodwill |  |  |
Goodwill | $ 3.6 | $ 3.6 | $ 3.6

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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