XML 38 R25.htm IDEA: XBRL DOCUMENT v3.23.3
Fair Value (Tables)
9 Months Ended
Sep. 30, 2023
Fair Value Disclosures [Abstract]  
Recurring Fair Value Measures The estimated fair value of Cash and Cash Equivalents on the Consolidated Balance Sheet approximates the carrying amount and therefore is excluded from the recurring fair value measures in the following tables.
 Fair Value as of September 30, 2023
Recurring Fair Value MeasuresLevel 1Level 2Level 3Total
Millions    
Assets    
Investments (a)
Available-for-sale – Equity Securities$8.1 — — $8.1 
Available-for-sale – Corporate and Governmental Debt Securities (b)
— $5.8 — 5.8 
Cash Equivalents5.8 — — 5.8 
Total Fair Value of Assets$13.9 $5.8 — $19.7 
Liabilities    
Deferred Compensation (c)
— $15.9 — $15.9 
Total Fair Value of Liabilities— $15.9 — $15.9 
 Fair Value as of December 31, 2022
Recurring Fair Value MeasuresLevel 1Level 2Level 3Total
Millions
Assets
Investments (a)
Available-for-sale – Equity Securities$7.7 — — $7.7 
Available-for-sale – Corporate and Governmental Debt Securities— $5.7 — 5.7 
Cash Equivalents4.2 — — 4.2 
Total Fair Value of Assets$11.9 $5.7 — $17.6 
Liabilities
Deferred Compensation (c)
— $15.0 — $15.0 
Total Fair Value of Liabilities— $15.0 — $15.0 
(a)Included in Other Non-Current Assets on the Consolidated Balance Sheet.
(b)As of September 30, 2023, the aggregate amount of available-for-sale corporate and governmental debt securities maturing in one year or less was $1.6 million, in one year to less than three years was $2.9 million, in three years to less than five years was $0.9 million and in five or more years was $0.4 million.
(c)Included in Other Non-Current Liabilities on the Consolidated Balance Sheet.
Fair Value of Financial Instruments The fair value of the item listed in the following table was based on quoted market prices for the same or similar instruments (Level 2).
Financial InstrumentsCarrying AmountFair Value
Millions  
Short-Term and Long-Term Debt (a)
  
September 30, 2023$1,805.5$1,582.5
December 31, 2022$1,929.1$1,782.7
(a)Excludes unamortized debt issuance costs.