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Other Operating Charges, net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Reorganization Items	$ 1.5	$ 0.0
Other Cost and Expense, Operating	0.5	0.4
Operating Expense | Mill Closure Costs
Other Expenses	0.4	0.0
Director [Member]
Share based compensation expense	$ (1.4)	$ 0.4

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of expense classified as other.

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Total amount of reorganization items.

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