Annual report pursuant to Section 13 and 15(d)

DEBT - Schedule of Debt Outstanding (Details)

v3.20.4
DEBT - Schedule of Debt Outstanding (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Apr. 22, 2020
Dec. 31, 2019
Nov. 15, 2019
May 31, 2018
Debt Instrument [Line Items]          
Total debt $ 4,402.2   $ 3,403.1    
Less short-term debt and current maturities (1,101.1)   (3.1)    
Less unamortized discounts and debt issuance costs (23.8)   (20.5)    
Total long-term debt, net of discount $ 3,277.3   $ 3,379.5    
Notes, 2.30%, due June 2021          
Debt Instrument [Line Items]          
Long term debt, interest rate (as a percent) 2.30%   2.30%    
Total debt $ 500.0   $ 500.0    
Notes, 3.60%, due Aug 2021          
Debt Instrument [Line Items]          
Long term debt, interest rate (as a percent) 3.60%   3.60%   3.60%
Total debt $ 300.0   $ 300.0    
Notes, Floating Rate, due Aug 2021          
Debt Instrument [Line Items]          
Total debt $ 300.0   $ 300.0    
Notes, 3.30%, due Dec 2022          
Debt Instrument [Line Items]          
Long term debt, interest rate (as a percent) 3.30%   3.30%    
Total debt $ 500.0   $ 500.0    
Notes, 3.95%, due May 2023          
Debt Instrument [Line Items]          
Long term debt, interest rate (as a percent) 3.95%   3.95%   3.95%
Total debt $ 400.0   $ 400.0    
Notes, 2.60%, due December 2024          
Debt Instrument [Line Items]          
Long term debt, interest rate (as a percent) 2.60%   2.60% 2.60%  
Total debt $ 750.0   $ 750.0 $ 750.0  
Notes, 2.60%, due December 2025          
Debt Instrument [Line Items]          
Long term debt, interest rate (as a percent) 2.60% 2.60%      
Total debt $ 400.0 $ 400.0 $ 0.0    
Notes, 3.25%, due June 2026          
Debt Instrument [Line Items]          
Long term debt, interest rate (as a percent) 3.25%   3.25%    
Total debt $ 275.0   $ 275.0    
Debentures, 6.90%, due July 2028          
Debt Instrument [Line Items]          
Long term debt, interest rate (as a percent) 6.90%   6.90%    
Total debt $ 125.0   $ 125.0    
Notes, 3.1%, due May 2030          
Debt Instrument [Line Items]          
Long term debt, interest rate (as a percent) 3.10% 3.10%      
Total debt $ 600.0 $ 600.0 $ 0.0    
Notes, 7.00%, due July 2037          
Debt Instrument [Line Items]          
Long term debt, interest rate (as a percent) 7.00%   7.00%    
Total debt $ 250.0   $ 250.0    
Other          
Debt Instrument [Line Items]          
Total debt $ 2.2   $ 3.1