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Acquisitions, Goodwill and Other Intangible Assets, Net - Rollforward of Other Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Other Intangible Assets [Line Items]      
Other intangible assets, gross     $ 1,413,200
Accumulated amortization     (628,900)
Other Intangible Assets [Roll Forward]      
Other intangible assets, net, beginning balance $ 727,366 $ 784,300  
Additions from new business combinations 58,200 84,200  
Currency translation adjustments 1,800 (1,200)  
Amortization expense (131,200) (139,900)  
Other intangible assets, net, ending balance $ 656,248 727,366  
Remaining weighted average amortization, in years      
Other Intangible Assets [Roll Forward]      
Remaining weighted average amortization period (in years) 11 years    
Customer Relationships and Backlog      
Other Intangible Assets [Line Items]      
Other intangible assets, gross     1,096,600
Accumulated amortization     (529,300)
Other Intangible Assets [Roll Forward]      
Other intangible assets, net, beginning balance $ 534,200 567,300  
Additions from new business combinations 54,300 81,000  
Currency translation adjustments 1,200 0  
Amortization expense (105,300) (114,100)  
Other intangible assets, net, ending balance $ 484,400 534,200  
Customer Relationships and Backlog | Remaining weighted average amortization, in years      
Other Intangible Assets [Roll Forward]      
Remaining weighted average amortization period (in years) 11 years    
Trade Names      
Other Intangible Assets [Line Items]      
Other intangible assets, gross     229,000
Accumulated amortization     (49,800)
Other Intangible Assets [Roll Forward]      
Other intangible assets, net, beginning balance $ 163,000 179,200  
Additions from new business combinations 2,100 3,200  
Currency translation adjustments 100 0  
Amortization expense (20,600) (19,400)  
Other intangible assets, net, ending balance $ 144,600 163,000  
Trade Names | Remaining weighted average amortization, in years      
Other Intangible Assets [Roll Forward]      
Remaining weighted average amortization period (in years) 11 years    
Other      
Other Intangible Assets [Line Items]      
Other intangible assets, gross     87,600
Accumulated amortization     (49,800)
Other Intangible Assets [Roll Forward]      
Other intangible assets, net, beginning balance $ 30,200 37,800  
Additions from new business combinations 1,800 0  
Currency translation adjustments 500 (1,200)  
Amortization expense (5,300) (6,400)  
Other intangible assets, net, ending balance $ 27,200 30,200  
Other | Remaining weighted average amortization, in years      
Other Intangible Assets [Roll Forward]      
Remaining weighted average amortization period (in years) 7 years    
Trade Names      
Other Intangible Assets [Roll Forward]      
Other intangible assets, non-amortizing   $ 34,500 $ 34,500
Useful life   12 years