Benefit Plans - Expected Future Retiree Benefit Payments (Details) $ in Thousands	Aug. 31, 2025 USD ($)
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
2026	$ 74,200
2027	74,300
2028	74,700
2029	76,700
2030	81,100
2031-2035	392,200
Non-Qualified Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
2026	4,890
2027	5,080
2028	4,770
2029	4,510
2030	4,490
2031-2035	21,730
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
2026	1,630
2027	1,870
2028	2,100
2029	2,010
2030	1,990
2031-2035	$ 10,180
Equity Securities \| Minimum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, target allocation percentage	20.00%
Equity Securities \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, target allocation percentage	55.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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