Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Summary of Long-Term Debt

Long-term debt consisted of the following:

(Millions of dollars)	September 30, 2020		December 31, 2019
5.625% senior notes due 2027 (net of unamortized discount of $2.5 at September 30, 2020 and $2.7 at December 2019)	$	297.5	$	297.3
4.75% senior notes due 2029 (net of unamortized discount of $5.6 at September 30, 2020 and $6.1 at December 31, 2019)	494.4		493.9
Term loan due 2023 (effective interest rate of 3.35% at September 30, 2020 and 4.31% at December 31, 2019)	225.0		250.0
Capitalized lease obligations, vehicles, due through 2023	2.1		2.4
Less unamortized debt issuance costs	(4.6)		(5.5)
Total long-term debt	1,014.4		1,038.1
Less current maturities	51.2		38.8
Total long-term debt, net of current	$	963.2	$	999.3