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BUSINESS ACQUISITIONS AND DIVESTITURE - Celsis, Purchase Price Allocation (Details) - USD ($) $ in Thousands | Dec. 30, 2017 | Dec. 31, 2016 | Dec. 26, 2015 | Jul. 24, 2015
--- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |
Goodwill | $ 804,906 | $ 787,517 | $ 438,829 |
Celsis |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquired receivables, contractual amount |  |  |  | $ 5,410
Trade receivables |  |  |  | 5,288
Inventories |  |  |  | 10,103
Other current assets (excluding cash) |  |  |  | 13,269
Property, plant and equipment |  |  |  | 4,639
Definite-lived intangible assets |  |  |  | 118,140
Goodwill |  |  |  | 105,550
Other long-term assets |  |  |  | 537
Current debt |  |  |  | (9,766)
Current liabilities |  |  |  | (7,136)
Long-term liabilities |  |  |  | (28,388)
Total purchase price allocation |  |  |  | $ 212,236

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