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Debt and Financing Arrangements (Tables)
3 Months Ended
Mar. 31, 2023
Debt Disclosure [Abstract]  
Schedule of Long Term Debt
Long-term debt consists of the following (in millions):
 MaturityMarch 31, 2023December 31, 2022
Senior notes at 3.35%
2026$398.0 $397.9 
Senior notes at 3.15%
2027297.7 297.5 
Senior notes at 3.50%
2028446.4 446.2 
Senior notes at 2.300%
2031296.4 296.3 
TOTAL LONG-TERM DEBT(a)
$1,438.5 $1,437.9 
(a)Long-term debt is presented net of debt issuance costs and unamortized discounts.