Debt - Long-Term Debt Outstanding (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Long-term debt outstanding [Line Items]
Less unamortized debt issuance costs	$ 6,760	$ 6,357	$ 5,174
Less discount	0	0	284
Long-term debt	2,386,397	2,298,223	2,239,717
Less current maturities	60,700	61,319	47,819
Long-term debt	$ 2,325,697	2,236,904	2,191,898
Senior Notes
Long-term debt outstanding [Line Items]
Weighted Average Interest Rate	4.46%
Long-term debt, gross	$ 1,882,000	1,882,000	1,848,500
Term Loan Agreements
Long-term debt outstanding [Line Items]
Weighted Average Interest Rate	6.48%
Long-term debt, gross	$ 196,300	196,300	7,000
Commercial Paper
Long-term debt outstanding [Line Items]
Weighted Average Interest Rate	5.72%
Long-term debt, gross	$ 158,800	144,200	264,540
Credit Agreements
Long-term debt outstanding [Line Items]
Weighted Average Interest Rate	8.57%
Long-term debt, gross	$ 120,700	46,100	89,144
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	$ 357	$ 980	$ 991