v3.25.4
Business Restructuring Charges - Schedule of Restructuring and Related Costs (Details) - USD ($)
 3 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Restructuring Cost and Reserve [Line Items]    
Restructuring charges $ 0  
Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   $ 27,400,000
Employee Termination | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   11,600,000
Non-Employee Related | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   15,800,000
Cost of products sold | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   6,300,000
Cost of products sold | Employee Termination | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   200,000
Cost of products sold | Non-Employee Related | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   6,100,000
Selling and administrative expense | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   300,000
Selling and administrative expense | Employee Termination | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   300,000
Selling and administrative expense | Non-Employee Related | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   0
Research and development expense | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   6,500,000
Research and development expense | Employee Termination | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   2,200,000
Research and development expense | Non-Employee Related | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   4,300,000
Other operating (income) expense, net | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   14,300,000
Other operating (income) expense, net | Employee Termination | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   8,900,000
Other operating (income) expense, net | Non-Employee Related | Patch Pump Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring charges   $ 5,400,000