v3.26.1
Long-Term Debt (Tables)
 6 Months Ended
Jun. 30, 2026
Debt Disclosure [Abstract]  
Schedule of Long-Term Debt
Long-term debt consisted of the following:
(Millions of dollars)June 30,
2026		December 31,
2025
5.625% senior notes due 2027 (net of unamortized discount of zero at June 30, 2026 and $0.5 at December 31, 2025)
$— $299.5 
4.75% senior notes due 2029 (net of unamortized discount of $2.0 at June 30, 2026 and $2.3 at December 31, 2025)
498.0 497.7 
3.75% senior notes due 2031 (net of unamortized discount of $2.9 at June 30, 2026 and $3.2 at December 31, 2025)
497.1 496.8 
5.875% senior notes due 2034 (net of unamortized discount of $4.9 at June 30, 2026)
495.1 — 
Term loan due 2032 (effective interest rate of 5.39% at June 30, 2026) net of unamortized discount of $0.9 at June 30, 2026 and $1.0 at December 31, 2025
596.1 599.0 
Revolving credit facility, due 2030 (weighted average interest rate of —% at June 30, 2026)
— 183.0 
Capitalized lease obligations, autos and equipment, due through 2031
8.1 7.7 
Capitalized lease obligations, buildings, due through 2059
104.1 110.8 
Unamortized debt issuance costs(12.4)(11.9)
Total long-term debt2,186.1 2,182.6 
Less current maturities19.1 19.0 
Total long-term debt, net of current$2,167.0 $2,163.6