Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions and Divestitures - Narrative (Details)

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Business Acquisitions and Divestitures - Narrative (Details)
€ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2022
USD ($)
Jun. 30, 2022
EUR (€)
Oct. 22, 2021
USD ($)
Mar. 10, 2021
USD ($)
Dec. 31, 2020
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Sep. 30, 2021
USD ($)
Business Acquisition [Line Items]                    
Pre-tax gain (loss)           $ 0 $ 100,000 $ (3,100,000) $ 65,800,000  
Gabler                    
Business Acquisition [Line Items]                    
Payments to acquire business, gross $ 12,900,000 € 12.6                
Assets acquired, goodwill, and liabilities assumed $ 5,600,000         5,600,000   5,600,000    
Red Valve | Disposal Group, Disposed of by Sale, Not Discontinued Operations                    
Business Acquisition [Line Items]                    
Total transaction value         $ 63,000,000.0          
Proceeds from divestiture of businesses         59,400,000          
Trade receivables, net         $ 5,000,000.0          
Pre-tax gain (loss)               31,600,000    
Tax effect of gain (loss) from disposal               3,800,000    
Transaction costs               2,900,000    
TerraSource Global                    
Business Acquisition [Line Items]                    
Total transaction value     $ 27,700,000              
Trade receivables, net     $ 25,600,000             $ 7,800,000
Pre-tax gain (loss)               3,100,000    
Transaction costs               $ 400,000    
Notes and loans receivable, term (in years)     5 years              
TerraSource Global | Subsidiaries                    
Business Acquisition [Line Items]                    
Ownership interest retained after disposal, percent     49.00%              
ABEL | Disposal Group, Disposed of by Sale, Not Discontinued Operations                    
Business Acquisition [Line Items]                    
Total transaction value       $ 103,500,000            
Proceeds from divestiture of businesses       $ 106,300,000            
Pre-tax gain (loss)             34,200,000   34,200,000  
Tax effect of gain (loss) from disposal             $ 6,900,000   $ 6,900,000  
Transaction costs           $ 3,900,000