Short-Term and Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Schedule of Short-Term and Long-Term Debt [Table Text Block]

The following tables present the Company’s short-term and long-term debt as of June 30, 2021, and December 31, 2020:

June 30, 2021	Principal	Unamortized Debt Issuance Costs	Total
Millions
Short-Term Debt	$362.8	$(0.2)	$362.6
Long-Term Debt	1,673.3	(8.7)	1,664.6
Total Debt	$2,036.1	$(8.9)	$2,027.2

December 31, 2020	Principal	Unamortized Debt Issuance Costs	Total
Millions
Short-Term Debt	$204.0	$(0.3)	$203.7
Long-Term Debt	1,602.4	(9.2)	1,593.2
Total Debt	$1,806.4	$(9.5)	$1,796.9