v3.25.2
Fair Value Measurements (Tables)
 6 Months Ended
Jun. 30, 2025
Fair Value Disclosures [Abstract]  
Fair Value, by Balance Sheet Grouping
The carrying amounts and estimated fair values of the Company's financial assets and liabilities which were not recorded at fair value on the Condensed Consolidated Balance Sheets as of June 30, 2025, and December 31, 2024, were as follows (in millions):

As of June 30, 2025 Estimated Fair Value
Financial AssetsCarrying AmountLevel 1Level 2Level 3Total
Cash and cash equivalents$388.8 $388.8 $— $— $388.8 
Financial Liabilities     
Long-term debt
$3,238.0 
(1)
$— $3,186.0 $— $3,186.0 

(1)The carrying amount of long-term debt excluded a $2.2 million long-term finance lease obligation and $4.3 million of unamortized debt issuance costs.

As of December 31, 2024Estimated Fair Value
Financial AssetsCarrying AmountLevel 1Level 2Level 3Total
Cash and cash equivalents$117.9 $117.9 $— $— $117.9 
Financial Liabilities 
Long-term debt$3,236.5 
(1)
$— $3,129.7 $— $3,129.7 

(1)The carrying amount of long-term debt excluded a $2.7 million long-term finance lease obligation and $4.8 million of unamortized debt issuance costs.