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BUSINESS ACQUISITIONS AND DIVESTITURE - Blue Stream Laboratories, Additional Information (Details) - Blue Stream - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Jun. 27, 2016	Sep. 30, 2017	Dec. 30, 2017
Business Acquisition [Line Items]
Purchase price	$ 11,700
Contingent consideration payable	3,000
Contingent consideration paid		$ 3,000
Purchase price allocation	$ 11,749
Transaction and integration costs			$ 600

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Business Combination, Integration Related Costs and Transaction Costs

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount of cash outflow, made soon after acquisition date of business combination, to settle contingent consideration liability.

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