Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Income Before Income Tax Domestic and Foreign Current and Deferred Portions of Income Tax Benefits (Details)

v3.24.0.1
Income Taxes - Schedule of Income Before Income Tax Domestic and Foreign Current and Deferred Portions of Income Tax Benefits (Details) - USD ($)
$ in Millions
 2 Months Ended 4 Months Ended 12 Months Ended
Dec. 31, 2021
Oct. 19, 2021
Dec. 31, 2023
Dec. 31, 2022
Jun. 30, 2021
Segment Reporting Information [Line Items]          
Loss before income taxes $ (29.8) $ (111.3) $ (105.3) $ (306.6) $ (164.3)
Current:          
Federal 0.0   8.6 0.0  
State and local 0.8   2.0 2.9  
Foreign 3.8   13.7 16.1  
Total current provision 4.6 3.5 24.3 19.0 12.1
Deferred:          
Federal (5.4)   (17.6) (19.6)  
State and local (1.2)   (5.5) (4.2)  
Foreign (4.8)   (7.8) (13.4)  
Total deferred benefit (11.4) (9.1) (30.9) (37.2) (18.0)
Total benefit from income taxes (6.8) (5.6) (6.6) (18.2) (5.9)
United Kingdom          
Segment Reporting Information [Line Items]          
Loss before income taxes   (41.2)     (125.3)
Current:          
Total current provision   0.1     0.3
Deferred:          
Total deferred benefit   0.0     0.0
United States          
Segment Reporting Information [Line Items]          
Loss before income taxes (26.8) (61.2) (125.0) (169.5) (53.8)
Current:          
Total current provision   1.4     2.4
Deferred:          
Total deferred benefit   (7.0)     (15.5)
Foreign          
Segment Reporting Information [Line Items]          
Loss before income taxes $ (3.0)   $ 19.7 $ (137.1)  
Other foreign          
Segment Reporting Information [Line Items]          
Loss before income taxes   (8.9)     14.8
Current:          
Total current provision   2.0     9.4
Deferred:          
Total deferred benefit   $ (2.1)     $ (2.5)