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EQUITY AND NONCONTROLLING INTERESTS - Nonredeemable and Redeemable Noncontrolling Interest, Additional Information (Details) - USD ($) $ in Thousands | Jun. 13, 2019 | Dec. 26, 2020 | Feb. 29, 2020 | Dec. 28, 2019 | Aug. 28, 2019 | Apr. 29, 2019 | Dec. 29, 2018
--- | --- | --- | --- | --- | --- | --- | ---
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Redeemable noncontrolling interests |  | $ 25,499 |  | $ 28,647 |  |  | $ 18,525
Citoxlab |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Redeemable noncontrolling interest, contractually defined redemption value |  |  | $ 4,000 |  |  |  |
Contingent consideration |  |  | $ 2,000 |  |  |  |
Vital River |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Purchase price of additional equity interest | $ 7,900 |  |  |  |  |  |
Gain in equity equal to the excess fair value of additional equity interest purchased | 800 |  |  |  |  |  |
Charge in other income, net equal to the excess fair value of the hybrid equity instrument | $ 2,200 |  |  |  |  |  |
Redeemable noncontrolling interests |  | $ 16,300 |  |  |  |  |
Vital River |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Ownership percentage | 92.00% |  |  |  |  |  |
Additional equity interest percentage purchased | 5.00% |  |  |  |  |  |
Remaining ownership interest | 8.00% |  |  |  |  |  |
Citoxlab |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Ownership percentage |  |  |  | 90.00% |  |  |
Remaining ownership interest |  |  |  | 10.00% |  | 10.00% |
Supplier |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |
Ownership percentage |  |  |  |  | 80.00% |  |
Remaining ownership interest |  |  |  |  | 20.00% | 20.00% |

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- Definition As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph (16)(c) -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 15 -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph (12)(c) -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 14 -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 + Details
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