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Unusual or Infrequently Occurring Items (Details) $ in Millions	3 Months Ended
	Jun. 30, 2024 USD ($)
Unusual or Infrequent Item, or Both [Line Items]
Unusual or Infrequent Item, or Both, Insurance Proceeds	$ 10.5
Operating Segments | Consumer Products
Unusual or Infrequent Item, or Both [Line Items]
Unusual or Infrequent Item, or Both, Insurance Proceeds	0.9
Operating Segments | Pulp And Paperboard [Member]
Unusual or Infrequent Item, or Both [Line Items]
Unusual or Infrequent Item, or Both, Insurance Proceeds	9.3
Insurance Settlement
Unusual or Infrequent Item, or Both [Line Items]
Insurance Recoveries	4.7
Insurance Claims
Unusual or Infrequent Item, or Both [Line Items]
Insurance Recoveries	5.8
Property, Plant and Equipment
Unusual or Infrequent Item, or Both [Line Items]
Unusual or Infrequent Item, or Both, Insurance Proceeds	$ 0.3

X

- Definition

The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of insurance proceeds for an event or transaction that is unusual in nature or infrequent in occurrence, or both.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483613/220-20-50-1

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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X

- Details

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X

- Details

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X

- Details

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