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Long-Term Debt and Commercial Paper (Tables)
3 Months Ended
Mar. 31, 2022
Debt Disclosure [Abstract]  
Long-Term Debt
Long-term debt consists of the following:
Debt DescriptionMaturity DateInterest PayableMarch 31,
2022
December 31,
2021
3.5% Senior Notes
November 15, 2024May 15 and November 15$450.0 $450.0 
4.5% Senior Notes
October 1, 2025April 1 and October 1450.0 450.0 
3.8% Senior Notes
November 15, 2027May 15 and November 15300.0 300.0 
1.95% Senior Notes
August 1, 2028February 1 and August 1400.0 400.0 
4.75% Senior Notes
June 1, 2030June 1 and December 1500.0 500.0 
2.4% Senior Notes
August 1, 2031February 1 and August 1450.0 450.0 
3.85% Senior Notes
March 1, 2032March 1 and September 1 700.0 — 
Revolving credit facilityMarch 26, 2025Monthly— — 
Finance leases and other debt
Various dates through 2041
327.4 330.6 
3,577.4 2,880.6 
Less: unamortized debt discounts and debt issuance costs(29.1)(22.2)
Less: current maturities(11.8)(12.2)
Long-term debt, net of current maturities$3,536.5 $2,846.2