Amount classified as intangible assets, excluding goodwill, attributable to disposal group held for sale or disposed of.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Goodwill And Intangible Assets (Narrative) (Details) - Fleischmann’s Vinegar Company, Inc. [Member} - USD ($) $ in Millions		12 Months Ended
	Nov. 27, 2018	Dec. 31, 2018	Dec. 31, 2017
Trade Names [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets disposed	$ 10.5
Amortization from intangible assets disposed		$ 4.4	$ 5.3
Customer Relationships [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets disposed	68.9
Amortization from intangible assets disposed	$ 11.1