v3.25.4
Goodwill and Intangible Assets - Additional Information (Details) - USD ($)
 3 Months Ended 12 Months Ended
Oct. 01, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Goodwill [Line Items]            
Goodwill impairment       $ 36,585,000 $ 233,170,000  
Intangible asset impairment charge           $ 43,500,000
Amortization expense       171,600,000 177,300,000 186,800,000
Branded Services [Member]            
Goodwill [Line Items]            
Goodwill impairment $ 13,100,000     13,128,000 233,170,000  
Accumulated impairment losses   $ 969,000,000 $ 955,800,000 969,000,000 955,800,000  
Intangible asset impairment charge     42,000,000      
Experiential Services [Member]            
Goodwill [Line Items]            
Goodwill impairment 0     0 0  
Accumulated impairment losses   308,200,000 308,200,000 308,200,000 308,200,000  
Retailer Services [Member]            
Goodwill [Line Items]            
Goodwill impairment 0     23,457,000 0  
Accumulated impairment losses   1,012,100,000 $ 988,600,000 $ 1,012,100,000 988,600,000  
Trade Names [Member]            
Goodwill [Line Items]            
Intangible asset impairment charge   $ 167,100,000       $ 43,500,000
Branded Agencies            
Goodwill [Line Items]            
Goodwill impairment         99,700,000  
Merchandising Reporting Units            
Goodwill [Line Items]            
Goodwill impairment 23,500,000          
Branded Services [Member]            
Goodwill [Line Items]            
Goodwill impairment $ 13,100,000       $ 133,500,000