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Note 4 - Management Actions - Reconciliation of Liability Balance of Severance and Related Costs (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Mar. 31, 2021	Sep. 30, 2020	Mar. 31, 2020	Dec. 31, 2020
Balance	$ 4.5		$ 4.5	$ 4.5
New charges		$ 3.1	$ 2.0	6.2
Cash payments	(0.9)			(5.4)
Foreign currency adjustments	(0.1)			0.2
Adjustments to accrual				(1.0)
Balance	$ 3.5			$ 4.5

X

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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