GOODWILL AND INTANGIBLE ASSETS - Carrying Amount of Goodwill by Segment (Details) $ in Thousands	9 Months Ended
Sep. 25, 2016 USD ($)
Goodwill [Roll Forward]
Balance - December 31, 2015	$ 68,606
Acquisitions	32,025
Other	169
Balance - September 25, 2016	100,800
Manufacturing [Member]
Goodwill [Roll Forward]
Balance - December 31, 2015	62,285
Acquisitions	29,074
Other	169
Balance - September 25, 2016	91,528
Distribution [Member]
Goodwill [Roll Forward]
Balance - December 31, 2015	6,321
Acquisitions	2,951
Other	0
Balance - September 25, 2016	$ 9,272

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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- Definition

Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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