Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Summary of Long-Term Debt

Long-term debt consisted of the following:

(Millions of dollars)	March 31, 2020		December 31, 2019
5.625% senior notes due 2027 (net of unamortized discount of $2.7 at March 31, 2020 and $2.7 at December 2019)	297.3		297.3
4.75% senior notes due 2029 (net of unamortized discount of $5.9 at March 31, 2020 and $6.1 at December 31, 2019)	494.1		493.9
Term loan due 2023 (effective interest rate of 3.91% at March 31, 2020 and 4.31% at December 31, 2019)	250.0		250.0
Capitalized lease obligations, vehicles, due through 2023	2.4		2.4
Less unamortized debt issuance costs	(5.2)		(5.5)
Total long-term debt	1,038.6		1,038.1
Less current maturities	51.2		38.8
Total long-term debt, net of current	$	987.4	$	999.3