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ACQUISITIONS - Schedule of Recognized Identifiable Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands | Sep. 29, 2018 | Aug. 03, 2018 | Dec. 30, 2017
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Goodwill | $ 389,594 |  | $ 337,720
Convert Italia S.p.A |  |  |
Business Acquisition [Line Items] |  |  |
Current assets |  | $ 18,349 |
Other assets |  | 3,166 |
Finite-lived intangibles |  | 16,554 |
Trade name |  | 8,701 |
Goodwill |  | 41,432 |
Total fair value of assets acquired |  | 88,202 |
Current liabilities |  | 5,376 |
Contingent consideration liability |  | 18,760 |
Deferred taxes |  | 6,061 |
Total fair value of liabilities assumed |  | 30,197 |
Non-controlling interests |  | 14,501 |
Net assets acquired |  | 43,504 |
Walpar, LLC [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Current assets |  | 14,729 |
Finite-lived intangibles |  | 32,000 |
Trade name |  | 4,300 |
Goodwill |  | 40,919 |
Total fair value of assets acquired |  | 91,948 |
Current liabilities |  | 2,185 |
Deferred taxes |  | 9,090 |
Total fair value of liabilities assumed |  | 11,275 |
Non-controlling interests |  | 22,868 |
Net assets acquired |  | $ 57,805 |

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