Fair Value (Tables)

9 Months Ended

Sep. 30, 2021

Recurring Fair Value Measures [Table Text Block]


	Fair Value as of September 30, 2021
Recurring Fair Value Measures	Level 1	Level 2	Level 3	Total
Millions
Assets
Investments (a)
Available-for-sale – Equity Securities	$9.2	—	—	$9.2
Available-for-sale – Corporate and Governmental Debt Securities (b)	—	$8.4	—	8.4
Cash Equivalents	2.8	—	—	2.8
Total Fair Value of Assets	$12.0	$8.4	—	$20.4

Liabilities
Deferred Compensation (c)	—	$21.5	—	$21.5


Total Fair Value of Liabilities	—	$21.5	—	$21.5
Total Net Fair Value of Assets (Liabilities)	$12.0	$(13.1)	—	$(1.1)


	Fair Value as of December 31, 2020
Recurring Fair Value Measures	Level 1	Level 2	Level 3	Total
Millions
Assets
Investments (a)
Available-for-sale – Equity Securities	$7.2	—	—	$7.2
Available-for-sale – Corporate and Governmental Debt Securities	—	$10.4	—	10.4
Cash Equivalents	5.5	—	—	5.5
Total Fair Value of Assets	$12.7	$10.4	—	$23.1

Liabilities
Deferred Compensation (c)	—	$21.0	—	$21.0

Total Fair Value of Liabilities	—	$21.0	—	$21.0
Total Net Fair Value of Assets (Liabilities)	$12.7	$(10.6)	—	$2.1

(a)Included in Other Non-Current Assets on the Consolidated Balance Sheet.

(b)As of September 30, 2021, the aggregate amount of available-for-sale corporate and governmental debt securities maturing in one year or less was $1.5 million, in one year to less than three years was $3.4 million, in three years to less than five years was $3.0 million and in five or more years was $0.5 million.

(c)Included in Other Non-Current Liabilities on the Consolidated Balance Sheet.

Fair Value, by Balance Sheet Grouping [Table Text Block]


Financial Instruments	Carrying Amount	Fair Value
Millions
Short-Term and Long-Term Debt (a)
September 30, 2021	$2,036.1	$2,262.2
December 31, 2020	$1,806.4	$2,122.0

(a)Excludes unamortized debt issuance costs.