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Debt and Lines of Credit - Lines of Credit (Details)
$ in Millions
Jun. 30, 2022
USD ($)
Aug. 31, 2022
USD ($)
Aug. 31, 2021
USD ($)
Line of Credit Facility [Line Items]      
Short-term borrowings under credit facility   $ 18.0 $ 0.0
Credit Facility | Revolving Credit Facility      
Line of Credit Facility [Line Items]      
Short-term borrowings under credit facility   18.0 $ 0.0
Lines of Credit | Revolving Credit Facility      
Line of Credit Facility [Line Items]      
Leverage ratio 3.75    
Maximum leverage ratio 4.25    
Outstanding letters of credit   4.1  
Lines of Credit | Credit Facility | Revolving Credit Facility      
Line of Credit Facility [Line Items]      
Revolving credit facility $ 600.0    
Term of facility 5 years    
Additional borrowing capacity under revolving credit facility $ 400.0    
Outstanding letters of credit   4.1  
Additional borrowing capacity under revolving credit facility   $ 577.9  
Lines of Credit | Credit Facility | Revolving Credit Facility | Minimum      
Line of Credit Facility [Line Items]      
Commitment fees rate 0.075%    
Lines of Credit | Credit Facility | Revolving Credit Facility | Maximum      
Line of Credit Facility [Line Items]      
Commitment fees rate 0.175%    
Lines of Credit | Credit Facility | Revolving Credit Facility | Base Rate | Minimum      
Line of Credit Facility [Line Items]      
Applicable margins as determined by leverage ratio 0.80%    
Lines of Credit | Credit Facility | Revolving Credit Facility | Base Rate | Maximum      
Line of Credit Facility [Line Items]      
Applicable margins as determined by leverage ratio 1.20%    
Lines of Credit | Credit Facility | Revolving Credit Facility | Floating Rate | Minimum      
Line of Credit Facility [Line Items]      
Applicable margins as determined by leverage ratio 0.00%    
Lines of Credit | Credit Facility | Revolving Credit Facility | Floating Rate | Maximum      
Line of Credit Facility [Line Items]      
Applicable margins as determined by leverage ratio 0.20%