Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 28
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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-Topic 360
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-Section 50
-Paragraph 3
-Subparagraph (c)
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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability up to amount recognized at acquisition date, including, but not limited to, measurement period adjustment and less amount paid soon after acquisition date.

+ References

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-Section 45
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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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The cash inflow from sale of buildings.

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Note 5 - Acquisition and Divestitures (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Proceeds from Divestiture of Businesses			$ 4.1	$ 24.7
Payment for Contingent Consideration Liability, Financing Activities			$ (0.0)	$ 0.5
Gaomei [Member]
Payment for Contingent Consideration Liability, Financing Activities					$ 2.5
Specialty Service Coatings [Member]
Gain (Loss) on Disposition of Business		$ 9.8
Proceeds from Divestiture of Businesses		$ 24.7
Building Located in Golden Valley, Minnesota [Member]
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	$ 3.7
Proceeds from Sale of Buildings	$ 4.1