Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Business Combination - Acquisition of Lanier, Narrative (Details) - USD ($) $ in Thousands	May 01, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Goodwill		$ 318,483	$ 186,095	$ 188,169	$ 186,805
Lanier Cold Storage
Business Acquisition [Line Items]
Aggregate cash consideration	$ 81,900
Property, plant and equipment	60,000
Goodwill	6,400
Lanier Cold Storage \| Customer relationships
Business Acquisition [Line Items]
Acquired identifiable intangibles	$ 16,300
Acquired identifiable intangibles, weighted average useful life	25 years