v3.22.2.2
Basis of Presentation (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
May 19, 2022
Jun. 29, 2021
Sep. 25, 2022
Dec. 26, 2021
Jun. 27, 2021
Sep. 25, 2022
Sep. 26, 2021
Dec. 27, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Goodwill     $ 3,469.8 $ 3,419.6   $ 3,469.8 $ 3,420.2 $ 3,691.7
Proceeds from sale of business, net of cash           0.0 379.2  
Impairment during the period           $ 11.8 101.8  
2022 Restructuring                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Pre-tax charge     55.3          
Loss on assets held for sale     23.1          
Severance and other employee charges     21.3          
Restructuring consulting fees     7.2          
Asset impairments     $ 3.7          
Disposal Group, Disposed of by Sale, Not Discontinued Operations | eOne Music                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Proceeds from sale of business, net of cash   $ 397.0            
Aggregate sales price   385.0            
Aggregate sales price, closing adjustments   $ 12.0            
Net cash outflow, divestiture of business       $ 0.9        
Impairment during the period         $ 101.8   $ 101.8  
Pre-tax cash transaction expenses         $ 9.5      
D&D Beyond                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Aggregate purchase price $ 146.3              
Intangible assets 81.4              
Goodwill $ 64.7