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General - Goodwill and Intangible Asset Table (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2018
Nov. 25, 2018
Business Acquisition [Line Items]        
GOODWILL $ 1,340,617 $ 1,316,768    
Customer relationships        
Business Acquisition [Line Items]        
Expected useful lives, years   14 years    
IMI Systems Ltd.        
Business Acquisition [Line Items]        
Net tangible assets and liabilities assumed (current and non-current), excluding cash and cash equivalents   $ 74,703 $ 26,559 $ 29,287
Adjustments 45,416      
Intangibles write-off (69,216)      
GOODWILL   142,511 418,456 211,727
Consideration Transferred   351,514 498,455 351,514
IMI Systems Ltd. | Technology        
Business Acquisition [Line Items]        
Technology   $ 38,000 18,791 37,000
Intangibles write-off 1,000      
Expected useful lives, years   8 years    
IMI Systems Ltd. | Customer relationships        
Business Acquisition [Line Items]        
Technology   $ 90,000 $ 52,131 67,000
Intangibles write-off 23,000      
Expected useful lives, years   20 years    
IMI Systems Ltd. | Customer backlog        
Business Acquisition [Line Items]        
Technology   $ 6,300   $ 6,500
Intangibles write-off $ (200)      
Expected useful lives, years   3 years