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Number Of Manufacturing Facilities

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Number Of Sales, Administrative, And Warehouse Facilities

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Number of Foreign Countries in which Entity Operates

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value portion of contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time.

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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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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Amount of cash inflow for proceeds from settlement of insurance claim, classified as operating activities. Excludes insurance settlement classified as investing activities.

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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.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Summary of Significant Accounting Policies (Narrative) (Details) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 29, 2019 facility	Mar. 29, 2019 segment	Dec. 31, 2019 USD ($) country facility segment	Dec. 31, 2018 USD ($) facility	Dec. 31, 2018 USD ($)	Dec. 31, 2018 USD ($) segment	Dec. 31, 2017 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of reportable segments	3	3	2	4		4
Number of operating segments \| segment		3				4
Number of manufacturing facilities \| facility			23
Number of sales, administrative, and warehouse facilities \| facility			9
Number of countries Jason operates in \| country			13
Fair value of total debt			$ 297.3	$ 387.4	$ 387.4	$ 387.4
Insurance claims proceeds received					2.2
Advertising expense			$ 1.1		1.4		$ 1.6
Transferred at point in time \| Revenue from Contract with Customer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage			99.00%
Transferred over Time \| Revenue from Contract with Customer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage			1.00%
Other Assets - Net
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Equity method investments			$ 5.8	$ 6.3	6.3	$ 6.3
Selling, General and Administrative Expenses
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Research and development expense			$ 4.8		$ 2.4		$ 3.3
Patents
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible asset, useful life			7 years
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease term			1 year
Minimum \| Customer relationships
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible asset, useful life			10 years
Minimum \| Trademarks and other intangibles
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible asset, useful life			1 year
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease term			10 years 4 months 2 days
Maximum \| Customer relationships
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible asset, useful life			15 years
Maximum \| Trademarks and other intangibles
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Intangible asset, useful life			18 years
Buildings and improvements \| Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property, plant and equipment, useful life			2 years
Buildings and improvements \| Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property, plant and equipment, useful life			40 years
Machinery and equipment \| Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property, plant and equipment, useful life			2 years
Machinery and equipment \| Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property, plant and equipment, useful life			10 years