Other (Income) Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Other Operating Income and Expenses, Net [Abstract]
Loss (gain) on property, plant and equipment disposals	$ 45	$ (997)	$ 106	$ (914)
(Gain) loss on currency exchanges	(27)	42	77	39
Amortization of intangibles	0	76	0	229
Retirement (income) expense	57	49	33	(17)
Miscellaneous (income) expense	(38)	(15)	(71)	1,084
Other operating expense (income), net	$ 37	$ (845)	$ 145	$ 421

Other Operating (Income) Expense

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Other Operating Income and Expenses, Net [Abstract]

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Retirement expenses related to Non-Qualified Retirement Savings Plan.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

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The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

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