v3.25.4
Organization and Significant Accounting Policies - Additional Information (Details) - USD ($)
12 Months Ended
Oct. 28, 2025
Oct. 01, 2025
Jan. 01, 2024
Nov. 30, 2023
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Goodwill impairment         $ 36,585,000 $ 233,170,000  
Impairment of long lived assets held for use         0 0 $ 0
Contract with customers liability revenue recognised         21,100,000 19,400,000 17,600,000
Change in fair value of warrant liability         $ (83,000) (584,000) (286,000)
Gain on Deconsolidation             58,900,000
Indefinite lived intangible assets (excluding goodwill) fair value disclosure percentage     6.00%        
Intangible asset impairment charge             $ 43,500,000
Advantage Smollan Limited [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Gain on Deconsolidation       $ 58,900,000      
Advantage Smollan Ltd [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Subsidiary, Ownership Percentage, Parent       49.60%      
Branded Services [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Goodwill impairment   $ 13,100,000       133,500,000  
Merchandising Reporting Units [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Goodwill impairment   23,500,000          
Advantage Trade Name [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Goodwill impairment   $ 167,100,000          
Branded Agencies [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Goodwill impairment           $ 99,700,000  
Warrant [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Warrants intrinsic value $ 0            
Change in fair value of warrant liability $ 0            
Branded Agencies and Experiential Services [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Carrying value in excess of the fair value in percentage terms goodwill         20.00%    
Branded Services Branded Agencies And Merchandising [Member]              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Carrying value in excess of the fair value in percentage terms goodwill         20.00%