v3.23.1
Restructuring (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2023
Mar. 31, 2022
Restructuring Cost and Reserve [Line Items]        
Total restructuring related expenses $ 7.5 $ 0.0 $ 14.1 $ 5.3
2019 Restructuring Program        
Restructuring Cost and Reserve [Line Items]        
Total restructuring related expenses 0.0 0.0 0.0 3.9
2019 Restructuring Program | Costs of products sold        
Restructuring Cost and Reserve [Line Items]        
Severance and related benefit costs 0.0 0.0 0.0 (0.1)
Accelerated depreciation & asset write-offs 0.0 0.0 0.0 1.2
Other exit costs 0.0 0.0 0.0 2.8
2020 Restructuring Program        
Restructuring Cost and Reserve [Line Items]        
Total restructuring related expenses 0.0 0.0 0.0 1.4
2020 Restructuring Program | Costs of products sold        
Restructuring Cost and Reserve [Line Items]        
Severance and related benefit costs 0.0 0.0 0.0 0.2
Other restructuring related costs 0.0 0.0 0.0 1.1
2020 Restructuring Program | Selling, general and administrate expense        
Restructuring Cost and Reserve [Line Items]        
Severance and related benefit costs 0.0 0.0 0.0 0.1
Project Momentum Restructuring        
Restructuring Cost and Reserve [Line Items]        
Total restructuring related expenses 7.5 0.0 14.1 0.0
Project Momentum Restructuring | Costs of products sold        
Restructuring Cost and Reserve [Line Items]        
Severance and related benefit costs 4.9 0.0 4.9 0.0
Accelerated depreciation & asset write-offs 0.9 0.0 0.9 0.0
Other restructuring related costs (0.1) 0.0 0.2 0.0
Project Momentum Restructuring | Selling, general and administrate expense        
Restructuring Cost and Reserve [Line Items]        
Severance and related benefit costs 0.0 0.0 0.6 0.0
Other restructuring related costs $ 1.8 $ 0.0 $ 7.5 $ 0.0