Employee Benefit Plans - Additional Information (Detail) - USD ($)	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022	Aug. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan assets fair value	$ 0
Remaining projected benefit obligation, plan assets or net unfunded liability	0
Net periodic benefit cost	17,967,000	$ 14,553,000	$ 9,852,000
Discount rate		4.69%	2.90%
Gerstenslager Company
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, funded percentage				31.00%
Defined benefit plan, benefit obligation, non-cash settlement charge	$ 8,010,000	$ 4,774,000