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BUSINESS COMBINATIONS (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 10 Months Ended
Mar. 31, 2020
Aug. 31, 2019
Jun. 30, 2019
Apr. 03, 2020
Jan. 03, 2020
Sep. 27, 2019
Jun. 28, 2019
Mar. 29, 2019
Dec. 28, 2018
Apr. 03, 2020
Mar. 29, 2019
Mar. 31, 2020
Business Acquisition [Line Items]                        
Change to fair value of contingent consideration liability       $ (8,200,000)                
Goodwill acquired                   $ 2,600,000    
Acquisition-related expenses       4,400,000       $ 2,200,000   8,300,000 $ 4,600,000  
Embolics Microspheres Business                        
Business Acquisition [Line Items]                        
Cash consideration   $ 90,000,000.0                    
Cancer Treatment Services International                        
Business Acquisition [Line Items]                        
Cash consideration     $ 262,800,000                  
Acquisition purchase price     277,000,000.0                  
Contingent consideration liability     8,200,000                  
Change to fair value of contingent consideration liability $ 8,200,000                      
Other consideration     6,000,000.0                  
Undiscounted range of contingent consideration payments, low     0                  
Undiscounted range of contingent consideration payments, high     $ 58,000,000                  
Revenue projection period for consideration payments     18 months                  
Endocare and Alicon                        
Business Acquisition [Line Items]                        
Cash consideration     $ 197,400,000                  
Acquisition purchase price     210,000,000.0                  
Contingent consideration liability     $ 12,600,000 $ 40,000,000.0           $ 40,000,000.0    
Change to fair value of contingent consideration liability         $ 8,800,000 $ 18,600,000            
Undiscounted range of contingent consideration payments, low                       $ 0
Undiscounted range of contingent consideration payments, high                       $ 40,000,000
Privately-held Company                        
Business Acquisition [Line Items]                        
Asset acquisition, purchase price             $ 15,200,000          
Asset acquisition, holdback amount             3,600,000          
Asset acquisition, fair value of contingent consideration             0          
Asset acquisition, potential maximum payout of contingent consideration             $ 9,000,000          
Privately-held Software Company                        
Business Acquisition [Line Items]                        
Acquisition purchase price                 $ 28,500,000      
Goodwill acquired                 21,900,000      
Intangible assets                 $ 6,500,000