Debt - Summary of Outstanding Debt (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Total debt	$ 3,676,489	$ 3,351,649
Less: Short-term debt and current portion of long-term debt	(42,433)	(60,187)
Long-term debt	$ 3,634,056	3,291,462
Commercial notes, periodic interest and principal payments, 4.75%, expire March 15, 2027 \| Commercial Paper
Debt Instrument [Line Items]
Interest rate	4.75%
Premium financing notes	$ 314	0
Commercial notes, periodic interest and principal payments, 4.75%, expire May 15, 2027 \| Commercial Paper
Debt Instrument [Line Items]
Interest rate	4.75%
Premium financing notes	$ 4,302	0
Commercial notes, periodic interest and principal payments, 4.75%, expire June 15, 2027 \| Commercial Paper
Debt Instrument [Line Items]
Interest rate	4.75%
Premium financing notes	$ 775	0
Commercial notes, periodic interest and principal payments, 4.75%, expire June 21, 2027 \| Commercial Paper
Debt Instrument [Line Items]
Interest rate	4.75%
Premium financing notes	$ 3,412	0
Commercial notes, periodic interest and principal payments, 5.25%, expired May 1, 2026 \| Commercial Paper
Debt Instrument [Line Items]
Interest rate	5.25%
Premium financing notes	$ 0	2,519
Commercial notes, periodic interest and principal payments, 5.25%, expired June 1, 2026 \| Commercial Paper
Debt Instrument [Line Items]
Interest rate	5.25%
Premium financing notes	$ 0	499
Commercial notes, periodic interest and principal payments, 5.25%, expired June 21, 2026 \| Commercial Paper
Debt Instrument [Line Items]
Interest rate	5.25%
Premium financing notes	$ 0	2,355
Medium-Term Note \| Credit Agreement \| Secured Debt
Debt Instrument [Line Items]
Debt term	7 years
Interest rate	2.00%
Long-term debt	$ 1,649,991	1,659,629
Senior Secured Notes \| 8-year senior secured notes, semi-annual interest payments, 4.38%, mature February 1, 2030
Debt Instrument [Line Items]
Debt term	8 years
Interest rate	4.38%
Long-term debt	$ 399,085	402,677
Senior Secured Notes \| 8-year senior secured notes, semi-annual interest payments, 5.88%, mature August 1, 2032
Debt Instrument [Line Items]
Debt term	8 years
Interest rate	5.88%
Long-term debt	$ 1,194,123	1,209,908
Line of Credit \| Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt term	5 years
Basis spread on variable rate	2.50%
Long-term debt	$ 424,487	$ 74,062
Line of Credit \| Credit Agreement \| Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Commitment fee percentage	0.25%
Line of Credit \| Credit Agreement \| Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Commitment fee percentage	0.50%

Amount of debt and lease obligation, classified as current.

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