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.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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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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Note 5 - Acquisitions and Divestitures (Details Textual) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Jan. 04, 2019	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Gain (Loss) on Disposition of Business			$ 9.8	$ (0.0)	$ (0.0)
Proceeds from Divestiture of Businesses			24.7	0.0	0.0
Payment for Contingent Consideration Liability, Financing Activities			2.5	$ (0.0)	$ (0.0)
Gaomei [Member]
Payments to Acquire Businesses, Gross	$ 22.4
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