v3.25.2
Valuation and Qualifying Accounts and Reserves (Schedule II) (Detail) - USD ($)
$ in Thousands
 12 Months Ended
May 31, 2025
May 31, 2024
May 31, 2023
Accrued Product Liability Reserves, Current      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 23,353 $ 16,995 $ 16,003
Additions Charged to Expense 10,411 19,991 10,056
Acquisitions (Disposals) of Businesses and Reclassifications 338   76
(Deductions) Additions [1] (9,321) (13,633) (9,140)
Balance at End of Period 24,781 23,353 16,995
Accrued Environmental Reserves, Current      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 1,148 1,027 1,055
Additions Charged to Expense 675 380 932
Acquisitions (Disposals) of Businesses and Reclassifications   325  
(Deductions) Additions (397) (584) (960)
Balance at End of Period 1,426 1,148 1,027
Accrued Product Liability Reserves, Noncurrent      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 25,289 22,849 26,226
Additions Charged to Expense 5,843 8,803 3,055
(Deductions) Additions [1] (5,926) (6,363) (6,432)
Balance at End of Period 25,206 25,289 22,849
Accrued Environmental Reserves, Noncurrent      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 2,574 6,173 6,254
Additions Charged to Expense 499 582 271
Acquisitions (Disposals) of Businesses and Reclassifications   (325)  
(Deductions) Additions (354) (3,856) (352)
Balance at End of Period $ 2,719 $ 2,574 $ 6,173
[1] Primarily claims paid during the year, net of insurance contributions.