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Acquisitions - Additional Information (Details)
 3 Months Ended 9 Months Ended 12 Months Ended
Aug. 16, 2024
USD ($)
Oct. 31, 2023
USD ($)
Aug. 23, 2023
USD ($)
Apr. 13, 2023
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Business Acquisition [Line Items]                  
Amortization of intangible assets         $ 13,300,000 $ 18,800,000 $ 40,800,000 $ 54,900,000  
Revenues         1,810,116,000 1,418,571,000 5,016,259,000 3,948,523,000  
Goodwill         1,931,157,000   1,931,157,000   $ 1,792,665,000
BlackSignal Technologies, LLC.                  
Business Acquisition [Line Items]                  
Percentage of ownership interest acquired 100.00%                
Cash paid to acquire $ 203,800,000                
Amortization of intangible assets         2,100,000   2,100,000    
Revenues         6,700,000   6,700,000    
Goodwill 139,394,000                
Goodwill deductible for tax purposes $ 14,300,000                
BlackSignal Technologies, LLC. | Selling, General and Administrative Expense                  
Business Acquisition [Line Items]                  
Acquisition related expenses         2,500,000   2,800,000    
I.S. Engineers, LLC                  
Business Acquisition [Line Items]                  
Percentage of ownership interest acquired   100.00%              
Cash paid to acquire   $ 12,200,000              
Goodwill   $ 11,900,000              
I.S. Engineers, LLC | Selling, General and Administrative Expense                  
Business Acquisition [Line Items]                  
Acquisition related expenses                 300,000
Sealing Technologies, Inc.                  
Business Acquisition [Line Items]                  
Percentage of ownership interest acquired     100.00%            
Cash paid to acquire     $ 176,028,000            
Earn out payment due and payable to the selling shareholders, Multiplier     0.5            
Fair value of contingent consideration to be achieved     $ 3,231,000       4,100,000   1,800,000
Borrowed under credit agreement to partially fund the acquisition     175,000,000            
Acquisition related expenses     3,300,000            
Amortization of intangible assets         3,200,000 1,500,000 9,800,000 1,500,000  
Revenues         40,100,000 18,400,000 74,000,000 18,400,000  
Goodwill     90,593,000            
Sealing Technologies, Inc. | Maximum                  
Business Acquisition [Line Items]                  
Additional amount agreed to pay the selling shareholders in the event an earn out revenue target is exceeded     25,000,000            
Earn out revenue target, amount     110,000,000            
Target amount of earnout revenue     25,000,000            
Sealing Technologies, Inc. | Minimum                  
Business Acquisition [Line Items]                  
Target amount of earnout revenue     $ 0            
IPKeys Power Partners                  
Business Acquisition [Line Items]                  
Percentage of ownership interest acquired       100.00%          
Cash paid to acquire       $ 43,000,000          
Amortization of intangible assets         $ 400,000 500,000 $ 1,200,000 900,000  
Revenues           3,500,000   6,100,000  
Goodwill       $ 22,407,000          
Goodwill deductible for tax purposes                 $ 900,000
IPKeys Power Partners | Selling, General and Administrative Expense                  
Business Acquisition [Line Items]                  
Acquisition related expenses           $ 100,000   $ 600,000