v3.22.2.2
DEBT - Components of Long-Term Debt (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Sep. 30, 2021
Aug. 13, 2021
Mar. 17, 2021
Oct. 22, 2019
Dec. 15, 2016
Debt Instrument [Line Items]            
Total debt $ 2,992.1 $ 2,315.3        
Finance lease obligations 28.9 33.4        
Less current portions 144.3 57.8        
Long-term debt 2,826.2 2,236.7        
Credit Facilities | Revolving loans            
Debt Instrument [Line Items]            
Total debt 300.5 0.0        
Credit Facilities | Term loans            
Debt Instrument [Line Items]            
Total debt 975.0 670.0        
Senior Notes | Senior Notes due 2031 – 4.000%            
Debt Instrument [Line Items]            
Total debt $ 500.0 $ 500.0        
Interest rate (percent) 4.00% 4.00%   4.00%    
Senior Notes | Senior Notes due 2032 – 4.375%            
Debt Instrument [Line Items]            
Total debt $ 400.0 $ 400.0        
Interest rate (percent) 4.375% 4.375% 4.375%      
Senior Notes | Senior Notes - 4.500%            
Debt Instrument [Line Items]            
Total debt $ 450.0 $ 450.0        
Interest rate (percent) 4.50% 4.50%     4.50%  
Senior Notes | Senior Notes due 2026 – 5.250%            
Debt Instrument [Line Items]            
Total debt $ 250.0 $ 250.0        
Interest rate (percent) 5.25% 5.25%       5.25%
Receivables facility            
Debt Instrument [Line Items]            
Total debt $ 75.0 $ 0.0        
Other            
Debt Instrument [Line Items]            
Total debt 12.7 11.9        
Long-term Debt            
Debt Instrument [Line Items]            
Less unamortized debt issuance costs $ 21.6 $ 20.8