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ACQUISITIONS: Composition of the total fair vale of consideration transferred (Details)
€ in Thousands, $ in Thousands
9 Months Ended
Jul. 02, 2019
USD ($)
Jul. 02, 2019
EUR (€)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Business Acquisition [Line Items]        
Net cash paid     $ 105,365 $ 0
Data Plus Math Corporation        
Business Acquisition [Line Items]        
Net cash paid $ 100,886 € 115,701    
Cash 438      
Restricted cash held in escrow 14,815      
Fair value of replacement stock options considered a component of purchase price 2,300      
Total fair value of consideration transferred $ 118,001