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ACQUISITIONS - Schedule of Recognized Identifiable Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands | Jun. 29, 2019 | Dec. 29, 2018 | Aug. 03, 2018
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Goodwill | $ 424,188 | $ 385,207 |
Convert Italia S.p.A |  |  |
Business Acquisition [Line Items] |  |  |
Current assets |  |  | $ 18,349
Other assets |  |  | 3,166
Trade name |  |  | 8,701
Goodwill |  |  | 42,169
Total fair value of assets acquired |  |  | 88,939
Current liabilities |  |  | 5,376
Contingent consideration liability |  |  | 19,497
Deferred taxes |  |  | 6,061
Total fair value of liabilities assumed |  |  | 30,934
Non-controlling interest |  |  | 14,501
Net assets acquired |  |  | 43,504
Walpar |  |  |
Business Acquisition [Line Items] |  |  |
Current assets |  |  | 13,210
Trade name |  |  | 4,300
Goodwill |  |  | 42,216
Total fair value of assets acquired |  |  | 91,726
Current liabilities |  |  | 2,185
Deferred taxes |  |  | 8,654
Total fair value of liabilities assumed |  |  | 10,839
Non-controlling interest |  |  | 23,082
Net assets acquired |  |  | 57,805
Customer Relationships | Walpar |  |  |
Business Acquisition [Line Items] |  |  |
Finite-lived intangibles |  |  | 32,000
Patent and Proprietary Technology | Convert Italia S.p.A |  |  |
Business Acquisition [Line Items] |  |  |
Finite-lived intangibles |  |  | $ 16,554

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