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RESTRUCTURING AND ASSET IMPAIRMENTS - Restructuring Costs by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Segment Reporting Information [Line Items]
Restructuring costs	$ 559	$ 1,549
RMS
Segment Reporting Information [Line Items]
Restructuring costs	220	301
DSA
Segment Reporting Information [Line Items]
Restructuring costs	83	13
Manufacturing
Segment Reporting Information [Line Items]
Restructuring costs	$ 256	$ 1,235

X

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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-Name Accounting Standards Codification
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