Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2023	May 31, 2022
Schedule of Accumulated Other Comprehensive Loss [Line Items]
Beginning balance	$ 97,869
Other comprehensive loss before reclassifications	(27,136)
Amounts reclassified from accumulated other comprehensive income	(9,403)
Other comprehensive income (loss), net of taxes	(36,539)	$ 52,314
Ending balance	61,330
Net Unrecognized Actuarial Losses
Schedule of Accumulated Other Comprehensive Loss [Line Items]
Beginning balance	(44,590)
Other comprehensive loss before reclassifications	0
Amounts reclassified from accumulated other comprehensive income	98
Other comprehensive income (loss), net of taxes	98
Ending balance	(44,492)
Net Unrecognized Hedge Gains (Losses)
Schedule of Accumulated Other Comprehensive Loss [Line Items]
Beginning balance	142,459
Other comprehensive loss before reclassifications	(27,136)
Amounts reclassified from accumulated other comprehensive income	(9,501)
Other comprehensive income (loss), net of taxes	(36,637)
Ending balance	$ 105,822