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Comprehensive Income (Loss) - Additional Information (Detail)
12 Months Ended
May 31, 2022
USD ($)
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract]  
Gains in accumulated other comprehensive income, estimate of time of transfer 12 months
Gain in accumulated other comprehensive income expected to be reclassified into net earnings $ 2,259,000
Gain in accumulated other comprehensive income expected to be reclassified into net earnings, tax $ 682,000