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v3.20.4

Long-Term Debt (Tables) | 12 Months Ended
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Dec. 31, 2020
Debt Disclosure [Abstract] |
Summary of Long-Term Debt | Long-term debt consisted of the following:
|  | December 31,
(Millions of dollars) |  | 2020 |  | 2019
5.625% senior notes due 2027 (net of unamortized discount of $2.4 at 2020 and $2.7 at 2019) |  | 297.6 |  |  | 297.3 |
4.75% senior notes due 2029 (net of unamortized discount of $5.4 at 2020 and $6.1 at 2019) |  | 494.6 |  |  | 493.9 |
Term loan due 2023 (effective interest rate of 2.67% at 2020 and 4.31% at 2019) |  | 212.5 |  |  | 250.0 |
Capitalized lease obligations, vehicles, due through 2024 |  | 2.1 |  |  | 2.4 |
Unamortized debt issuance costs |  | (4.4) |  |  | (5.5) |
Total long-term debt |  | 1,002.4 |  |  | 1,038.1 |
Less current maturities |  | 51.2 |  |  | 38.8 |
Total long-term debt, net of current |  | $ | 951.2 |  |  | $ | 999.3 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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