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Debt (Tables)
12 Months Ended
Dec. 31, 2023
Line of Credit Facility [Line Items]  
Summary of Components of Long-Term Borrowings and Finance Lease Obligations
The following table summarizes the components of Long-term borrowings and finance lease obligations:
(in millions of dollars)20232022
2022 Credit Agreement$297.4 $361.0 
Finance lease obligations1.6 2.0 
Total long-term borrowings and finance lease obligations, including current portion299.0 363.0 
Less: Current maturities3.9 0.8 
Less: Current finance lease obligations0.8 0.7 
Total long-term borrowings and finance lease obligations$294.3 $361.5 
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments
The following table summarizes the carrying amounts and fair values of the Company’s financial instruments:
 20232022
(in millions of dollars)Notional
Amount
Fair
Value
Notional
Amount
Fair
Value
Long-term borrowings and finance lease obligations (a)
$299.0 $299.0 $363.0 $363.0 
(a)    Includes current portions of long-term borrowings and finance lease obligations aggregating to $4.7 million and $1.5 million as of December 31, 2023 and 2022, respectively.
Schedule of Gross Borrowings and Gross Payments
The following table summarizes the gross borrowings and gross payments under the Company’s revolving credit facilities:
For the Years Ended December 31,
(in millions of dollars)202320222021
Gross borrowings$134.3 $137.0 $214.0 
Gross payments198.4 55.8 143.5