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Financing (Tables)
 9 Months Ended
Sep. 30, 2020
Debt Disclosure [Abstract]  
Components Of Debt
Our debt consisted of the following:
(in millions)
 
September 30,
2020
 
December 31,
2019
 
 
 
 
 
Commercial paper
 
$
135.3

 
$
149.4

364-Day Credit Agreement
 
346.1

 
—

Total short-term borrowings
 
$
481.4

 
$
149.4

 
 
 
 
 
4.45% notes due December 2023
 
$
299.1

 
$
298.9

6.55% notes due November 2036
 
198.4

 
198.3

4.20% notes due March 2048
 
346.2

 
346.1

Other deferred financing costs associated with credit facilities
 
(1.0
)
 
(1.3
)
Total long-term debt
 
$
842.7

 
$
842.0

Debt discounts and debt issuance costs totaled $6.4 million and $6.7 million as of each of September 30, 2020 and December 31, 2019, and have been netted against the aggregate principal amounts of the related debt in the components of the debt table above.