ACQUISITIONS AND DIVESTITURES - Pro Forma Financial Information (Details) - Cognate BioServices, Inc. and Viegene Biosciences, Inc. - USD ($) $ in Thousands	12 Months Ended
Dec. 25, 2021	Dec. 26, 2020
Business Acquisition [Line Items]
Revenue	$ 3,583,646	$ 3,068,161
Net income attributable to common shareholders	$ 376,152	$ 347,873

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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
-Topic 805
-SubTopic 10
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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.

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