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Acquisitions Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Goodwill $ 1,509,259 $ 1,498,988 $ 1,237,894
TMAC      
Business Combination, Consideration Transferred 30,300    
Goodwill $ 14,800    
Expected Goodwill Tax Amortization Period 15 years    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 19 years    
TMAC | Customer Relationships [Member]      
Finite-Lived Intangible Assets Acquired $ 15,000    
Finite-Lived Intangible Asset, Useful Life 20 years    
TMAC | Backlog [Member]      
Finite-Lived Intangible Assets Acquired $ 700    
Finite-Lived Intangible Asset, Useful Life 1 year    
Gryphon Technologies      
Business Combination, Consideration Transferred $ 355,800    
Goodwill $ 256,346    
Expected Goodwill Tax Amortization Period 13 years    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 19 years    
Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Cost Expensed $ 100    
Gryphon Technologies | Customer Relationships [Member]      
Finite-Lived Intangible Assets Acquired $ 60,700    
Finite-Lived Intangible Asset, Useful Life 20 years    
Gryphon Technologies | Backlog [Member]      
Finite-Lived Intangible Assets Acquired $ 5,000    
Finite-Lived Intangible Asset, Useful Life 2 years