v3.26.1
Defined Benefit Pension Plan (Details)
$ in Millions
May 31, 2026
USD ($)
Defined Benefit Plan, Plan Assets, Allocation [Line Items]  
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year $ (1.3)
2027 1.9
Precoat Metals Business Division  
Defined Benefit Plan, Plan Assets, Allocation [Line Items]  
Accumulated benefit obligation in excess of plan assets $ 13.7