Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2022	May 31, 2021
Schedule of Accumulated Other Comprehensive Loss [Line Items]
Beginning balance	$ (46,422)
Other comprehensive income before reclassifications	52,055
Amounts reclassified from accumulated other comprehensive income (loss)	259
Other comprehensive income (loss), net of taxes	52,314	$ 2,937
Ending balance	5,892
Net Unrecognized Actuarial Losses
Schedule of Accumulated Other Comprehensive Loss [Line Items]
Beginning balance	(73,001)
Other comprehensive income before reclassifications	0
Amounts reclassified from accumulated other comprehensive income (loss)	481
Other comprehensive income (loss), net of taxes	481
Ending balance	(72,520)
Net Unrecognized Hedge Gains (Losses)
Schedule of Accumulated Other Comprehensive Loss [Line Items]
Beginning balance	26,579
Other comprehensive income before reclassifications	52,055
Amounts reclassified from accumulated other comprehensive income (loss)	(222)
Other comprehensive income (loss), net of taxes	51,833
Ending balance	$ 78,412