v3.26.3
Goodwill and Other Intangible Assets, net - Intangible Assets (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Intangible Asset, Finite-Lived [Roll Forward]          
Beginning balance, Gross Asset Value     $ 345.9    
Retirements     (10.5)    
Foreign currency translation     (2.4)    
Impairment     (161.0)    
Ending balance, Gross Asset Value $ 172.0   172.0   $ 345.9
Beginning balance, Accumulated Amortization     (169.8)    
Amortization (4.1) $ (7.8) (13.6) $ (23.0)  
Retirements     2.3    
Foreign currency translation     0.2    
Impairment     142.1    
Ending balance, Accumulated Amortization (38.8)   (38.8)   (169.8)
Other intangibles, net 133.2   133.2   176.1
Non-cash impairment charge     32.1    
Location, Statement of Financial Position, Activity, Capitalization [Axis]: us-gaap:OtherIntangibleAssetsNet          
Intangible Asset, Finite-Lived [Roll Forward]          
Non-cash impairment charge     18.9    
Location, Statement of Financial Position, Activity, Capitalization [Axis]: us-gaap:OtherOperatingIncomeExpenseNet          
Intangible Asset, Finite-Lived [Roll Forward]          
Non-cash impairment charge         84.1
Location, Statement of Financial Position, Activity, Capitalization [Axis]: us-gaap:PropertyPlantAndEquipmentNet          
Intangible Asset, Finite-Lived [Roll Forward]          
Non-cash impairment charge     13.2    
Customer contracts and relationships          
Intangible Asset, Finite-Lived [Roll Forward]          
Beginning balance, Gross Asset Value     193.9    
Retirements     (5.8)    
Foreign currency translation     (1.4)    
Impairment     (82.3)    
Ending balance, Gross Asset Value 104.4   104.4   193.9
Beginning balance, Accumulated Amortization     (88.5)    
Amortization     (7.1)    
Retirements     (0.3)    
Foreign currency translation     0.1    
Impairment     71.0    
Ending balance, Accumulated Amortization (24.8)   (24.8)   (88.5)
Other intangibles, net 79.6   79.6    
Brands          
Intangible Asset, Finite-Lived [Roll Forward]          
Beginning balance, Gross Asset Value     82.2    
Retirements     (0.8)    
Foreign currency translation     (0.6)    
Impairment     (33.2)    
Ending balance, Gross Asset Value 47.6   47.6   82.2
Beginning balance, Accumulated Amortization     (37.7)    
Amortization     (3.2)    
Retirements     (0.1)    
Foreign currency translation     0.0    
Impairment     28.3    
Ending balance, Accumulated Amortization (12.7)   (12.7)   (37.7)
Other intangibles, net 34.9   34.9    
Developed Technology          
Intangible Asset, Finite-Lived [Roll Forward]          
Beginning balance, Gross Asset Value     69.8    
Retirements     (3.9)    
Foreign currency translation     (0.4)    
Impairment     (45.5)    
Ending balance, Gross Asset Value 20.0   20.0   69.8
Beginning balance, Accumulated Amortization     (43.6)    
Amortization     (3.3)    
Retirements     2.7    
Foreign currency translation     0.1    
Impairment     42.8    
Ending balance, Accumulated Amortization (1.3)   (1.3)   $ (43.6)
Other intangibles, net $ 18.7   $ 18.7