Debt - Schedule of Long-Term Debt Outstanding (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024
Long-term debt outstanding [Line Items]
Less unamortized debt issuance costs	$ 6,148	$ 6,436	$ 6,953
Total long-term debt	2,353,185	2,292,610	2,320,297
Less current maturities	164,700	161,700	86,777
Long-term debt	$ 2,188,485	2,130,910	2,233,520
Senior Notes
Long-term debt outstanding [Line Items]
Weighted average interest rate	4.60%
Long-term debt, gross	$ 1,947,000	1,947,000	1,947,000
Credit Agreements
Long-term debt outstanding [Line Items]
Weighted average interest rate	6.06%
Long-term debt, gross	$ 183,400	169,700	163,500
Commercial Paper
Long-term debt outstanding [Line Items]
Weighted average interest rate	4.40%
Long-term debt, gross	$ 132,700	81,400	57,800
Term Loan Agreements
Long-term debt outstanding [Line Items]
Weighted average interest rate	4.44%
Long-term debt, gross	$ 60,900	65,600	123,600
Medium-term Notes
Long-term debt outstanding [Line Items]
Weighted average interest rate	7.32%
Long-term debt, gross	$ 35,000	35,000	35,000
Other Notes
Long-term debt outstanding [Line Items]
Weighted average interest rate	6.00%
Long-term debt, gross	$ 333	$ 346	$ 350