ACQUISITIONS - Pro Forma Information (Details) - Walpar, Convert, Torrent and CSP Coatings - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 29, 2018	Dec. 30, 2017
Business Acquisition [Line Items]
Net sales	$ 2,798,705	$ 2,818,035
Net earnings	$ 97,170	$ 122,407
Earnings per share-diluted (in dollars per share)	$ 4,320	$ 5,390

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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Per diluted share amount of pro forma income from continuing operations, after tax, as if the business combination 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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-SubTopic 10
-Section 50
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- Definition

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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