v3.26.1
Restructuring - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Restructuring Cost and Reserve [Line Items]            
Total charges $ 42,000,000 $ 8,000,000 $ 7,000,000 $ 3,000,000 $ 57,000,000 $ 6,000,000
Cash payment for restructuring 9,000,000 $ 2,000,000 4,000,000      
2026 PC Plan [Member]            
Restructuring Cost and Reserve [Line Items]            
Estimated severance costs and asset impairments 6,000,000       19,000,000  
Cash payment for restructuring 1,000,000       1,000,000  
2026 PC Plan [Member] | Remainder of Fiscal 2026 [Member]            
Restructuring Cost and Reserve [Line Items]            
Expected additional restructuring charges         7,000,000  
Cash payment for restructuring         3,000,000  
2026 PC Plan [Member] | Fiscal 2027 [Member]            
Restructuring Cost and Reserve [Line Items]            
Expected additional restructuring charges         7,000,000  
Cash payment for restructuring         6,000,000  
2026 PC Plan [Member] | Thereafter [Member]            
Restructuring Cost and Reserve [Line Items]            
Cash payment for restructuring         1,000,000  
2025 Reorganizations [Member]            
Restructuring Cost and Reserve [Line Items]            
Severance costs     $ 9,000,000      
Additional restructuring charges         0  
2025 Reorganizations [Member] | Remainder of Fiscal 2026 [Member]            
Restructuring Cost and Reserve [Line Items]            
Cash payment for restructuring         7,000,000  
RM Plan [Member]            
Restructuring Cost and Reserve [Line Items]            
Estimated severance costs, asset impairments, and accelerated depreciation 36,000,000       38,000,000  
Cash payment for restructuring $ 6,000,000       6,000,000  
RM Plan [Member] | Remainder of Fiscal 2026 [Member]            
Restructuring Cost and Reserve [Line Items]            
Expected additional restructuring charges         8,000,000  
Cash payment for restructuring         2,000,000  
RM Plan [Member] | Fiscal 2027 [Member]            
Restructuring Cost and Reserve [Line Items]            
Expected additional restructuring charges         14,000,000  
Cash payment for restructuring         9,000,000  
RM Plan [Member] | Accelerated Depreciation and Site Demolition and Other Related Costs [Member]            
Restructuring Cost and Reserve [Line Items]            
Expected additional restructuring charges         $ 22,000,000