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INVESTMENTS AND FAIR VALUE MEASUREMENTS - Narrative (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended 18 Months Ended
Jul. 31, 2024
USD ($)
Jun. 24, 2024
USD ($)
Apr. 30, 2019
Sep. 29, 2024
USD ($)
day
Oct. 01, 2023
USD ($)
Sep. 29, 2024
USD ($)
day
fund
Oct. 01, 2023
USD ($)
Oct. 01, 2023
USD ($)
Jun. 30, 2024
USD ($)
Dec. 31, 2023
USD ($)
Schedule of Investments [Line Items]                    
Short-term investments       $ 70,000   $ 70,000       $ 6,000
Strategic equity investments, without readily determinable fair values       27,000   27,000       28,000
Total revenue       $ 1,080,000 $ 1,119,000 $ 3,268,000 $ 3,382,000      
Contingent consideration asset settlement $ 83,000                  
GRAIL                    
Schedule of Investments [Line Items]                    
Contingent value right, terms           12 years        
Covered revenues of GRAIL, contingent consideration liability               $ 65,000 $ 89,000  
Payment for contingent consideration           $ 836 609      
GRAIL | Payment Rights Of One Billion, Each Twelve Years                    
Schedule of Investments [Line Items]                    
Contingent payment rights       2.50%   2.50%        
Business acquisition, contingent value rights, revenue threshold           $ 1,000,000        
GRAIL | Payment Rights Of Above One Billion, Each Twelve Years                    
Schedule of Investments [Line Items]                    
Business acquisition, contingent value rights, revenue threshold           $ 1,000,000        
Contingent payment rights, second percentage       9.00%   9.00%        
Helix Holdings I, LLC                    
Schedule of Investments [Line Items]                    
Contingent value right, terms     7 years              
Investee                    
Schedule of Investments [Line Items]                    
Total revenue       $ 7,000 2,000 $ 13,000 68,000      
Venture Capital Investment Fund (the Fund)                    
Schedule of Investments [Line Items]                    
Number of venture capital investment funds | fund           3        
Amount of GRAIL net assets recorded to short-term investments       191,000   $ 191,000       168,000
Unrealized (loss) gain on investments       $ (6,000) $ (19,000) $ (3,000) $ (33,000)      
GRAIL | Revenue Risk Premium                    
Schedule of Investments [Line Items]                    
Revenue risk premium       0.18   0.18        
GRAIL | Calculation Trailing Period                    
Schedule of Investments [Line Items]                    
Revenue risk premium | day       60   60        
Spinoff | GRAIL                    
Schedule of Investments [Line Items]                    
GRAIL net assets   $ 2,738,000                
Discontinued operation, equity method investment retained after disposal, ownership interest after disposal   14.50%                
Discontinued operation, gain (loss) on disposal of discontinued operation, net of tax           $ (332,000)        
Contingent consideration liability       $ 82,000   82,000       387,000
Contingent consideration, noncurrent       81,000   81,000       $ 385,000
Increase in 20% of revenue, increase in liability       21,000   21,000        
Decrease in 20% of revenue, decrease in liability       (20,000)   (20,000)        
Effect of change of additional 250 basis points, decrease in liability       (15,000)   (15,000)        
Effect of change of additional 250 basis points, increase in liability       $ 16,000   $ 16,000        
Short-Term Investments | Spinoff | GRAIL                    
Schedule of Investments [Line Items]                    
GRAIL net assets   $ 397,000