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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Nov. 30, 2025	Aug. 31, 2025	May 31, 2025	Nov. 30, 2024	Aug. 31, 2024	May 31, 2024	Nov. 30, 2025	Nov. 30, 2024
Schedule of Accumulated Other Comprehensive Loss [Line Items]
Beginning balance			$ 3,080				$ 3,080
Other comprehensive loss before reclassifications							(10,095)
Amounts reclassified from accumulated other comprehensive (loss) income							(20,265)
Other comprehensive income (loss), net of taxes	$ (5,974)	$ (13,060)	(11,326)	$ 5,770	$ (52,621)	$ 2,399	(30,360)	$ (44,452)
Ending balance	(27,280)						(27,280)
Net Unrecognized Actuarial Losses
Schedule of Accumulated Other Comprehensive Loss [Line Items]
Beginning balance			(36,008)				(36,008)
Other comprehensive loss before reclassifications							0
Amounts reclassified from accumulated other comprehensive (loss) income							227
Other comprehensive income (loss), net of taxes							227
Ending balance	(35,781)						(35,781)
Net Unrecognized Hedge Gains (Losses)
Schedule of Accumulated Other Comprehensive Loss [Line Items]
Beginning balance			$ 39,088				39,088
Other comprehensive loss before reclassifications							(10,095)
Amounts reclassified from accumulated other comprehensive (loss) income							(20,492)
Other comprehensive income (loss), net of taxes							(30,587)
Ending balance	$ 8,501						$ 8,501

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Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

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Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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