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BUSINESS ACQUISITIONS AND DIVESTITURE - KWS BioTest Limited Narrative (Details) - KWS BioTest Limited
$ in Thousands, £ in Millions
3 Months Ended 9 Months Ended
Jan. 11, 2018
USD ($)
Sep. 29, 2018
USD ($)
Sep. 29, 2018
USD ($)
Sep. 29, 2018
GBP (£)
Jan. 11, 2018
GBP (£)
Business Acquisition [Line Items]          
Purchase price $ 20,300        
Undiscounted contingent payments 3,900 $ 2,600 $ 2,600 £ 2.0 £ 3.0
Purchase price allocation 21,529        
Cash acquired 1,000        
Adjustments related to prior period $ 400        
Integration related costs and transaction costs   $ 100 $ 600    
Client relationships          
Business Acquisition [Line Items]          
Weighted average amortization life of intangible assets acquired     12 years