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Property, Plant, and Equipment, at Cost (Schedule Of Useful Lives Of Property, Plant, And Equipment) (Details)	12 Months Ended
	Dec. 31, 2020
Minimum [Member] | Land Improvements
Property, Plant and Equipment, at Cost [Line Items]
Property, plant, and equipment, useful lives (in years)	9 years
Minimum [Member] | Buildings
Property, Plant and Equipment, at Cost [Line Items]
Property, plant, and equipment, useful lives (in years)	10 years
Minimum [Member] | Machinery and Equipment
Property, Plant and Equipment, at Cost [Line Items]
Property, plant, and equipment, useful lives (in years)	3 years
Maximum [Member] | Land Improvements
Property, Plant and Equipment, at Cost [Line Items]
Property, plant, and equipment, useful lives (in years)	40 years
Maximum [Member] | Buildings
Property, Plant and Equipment, at Cost [Line Items]
Property, plant, and equipment, useful lives (in years)	46 years
Maximum [Member] | Machinery and Equipment
Property, Plant and Equipment, at Cost [Line Items]
Property, plant, and equipment, useful lives (in years)	30 years

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- 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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