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EQUITY AND NONCONTROLLING INTERESTS - Rollforward of Redeemable Noncontrolling Interest (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Aug. 28, 2019
Jun. 13, 2019
Apr. 29, 2019
Jul. 07, 2016
Jan. 01, 2013
Increase (Decrease) in Temporary Equity [Roll Forward]              
Beginning balance $ 18,525 $ 16,609          
Adjustment to Vital River redemption value 1,451 2,069          
Purchase of 12% equity (1,870)            
Net (loss) income attributable to noncontrolling interests (42) 800          
Foreign currency translation (221) (953)          
Ending balance 28,647 18,525          
Supplier              
Increase (Decrease) in Temporary Equity [Roll Forward]              
Acquisition of non-controlling interest 8,740 0          
Remaining ownership interest     20.00%   20.00%    
Vital River              
Increase (Decrease) in Temporary Equity [Roll Forward]              
Purchase of 12% equity (8,745) 0          
Change in fair value, included in additional paid-in capital 2,708 0          
Modification of Vital River 8% purchase option 2,196 0          
Additional equity interest percentage purchased       5.00%   12.00% 75.00%
Remaining ownership interest       8.00%   13.00% 25.00%
Citoxlab              
Increase (Decrease) in Temporary Equity [Roll Forward]              
Acquisition of non-controlling interest $ 4,035 $ 0          
Remaining ownership interest         10.00%