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Long-Term Debt (Tables)

12 Months Ended

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.

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