BUSINESS ACQUISITIONS (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
Jun. 26, 2021	Jun. 27, 2020
BioTek Services, Inc. [Member]
Business Acquisition [Line Items]
Date of acquisition	Dec. 16, 2020
Purchase price allocation description	100% of the goodwill related to the Upstate Metrology acquisition has been allocated to the Service segment. Amortization of goodwill related to the Upstate Metrology acquisition is deductible for tax purposes.
Purchase price held in escrow as holdback	$ 0.4
Business acquisition, cash acquired
Acquisition costs	$ 0.1	$ 0.1
Upstate Metrology [Member]
Business Acquisition [Line Items]
Date of acquisition	Apr. 29, 2021
Purchase price allocation description	100% of the goodwill and intangible assets relating to the BioTek acquisition has been allocated to the Service segment. Intangible assets related to the BioTek acquisition are being amortized for financial reporting purposes on an accelerated basis over the estimated useful life of up to 10 years and are deductible for tax purposes. Amortization of goodwill related to the BioTek acquisition is deductible for tax purposes.

Purchase price held in escrow as holdback.

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- Definition

Date when the acquirer obtains control of the acquiree, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
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- Definition

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.

+ References

No definition available.

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In the year of acquisition, if the assets of the acquired institution exceed 10 percent of the consolidated assets at the end of the most recent period, describes the amounts of discounts and premiums for fair market value adjustments, methods of amortization (accretion), and estimated remaining lives.

+ References

No definition available.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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