Property, Plant and Equipment (Detail) - USD ($) $ in Thousands	May 31, 2023	May 31, 2022
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	$ 2,332,916	$ 2,132,915
Less: allowance for depreciation and amortization	1,093,440	1,028,932
Property, plant and equipment, net	1,239,476	1,103,983
Land
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	92,954	88,137
Building And Leasehold Improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	552,775	519,391
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, at cost	$ 1,687,187	$ 1,525,387