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Note 21 - Subsequent Event (Details Textual) - Discontinued Operations, Held-for-sale [Member] - Specialty Service Coatings [Member] $ in Millions	Dec. 31, 2020 USD ($)
Disposal Group, Including Discontinued Operation, Assets, Total	$ 15.0
Disposal Group, Including Discontinued Operation, Liabilities, Total	$ 3.2

X

- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of.

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