ACQUISITIONS - Schedule of Business Acquisitions Pro Forma (Details) - Walpart, Convert, and Torrent [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 30, 2019	Mar. 31, 2018
Business Acquisition [Line Items]
Net sales	$ 694,558	$ 713,686
Net earnings	$ 36,719	$ 39,879
Earnings per share-diluted (in dollars per share)	$ 1.67	$ 1.75

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.

No definition available.

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- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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