v3.26.3
Defined Benefit Pension Plan (Details)
$ in Millions
Aug. 31, 2026
USD ($)
Defined Benefit Plan, Plan Assets, Allocation [Line Items]  
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year $ (2.3)
2027 1.0
Precoat Metals Business Division  
Defined Benefit Plan, Plan Assets, Allocation [Line Items]  
Accumulated benefit obligation in excess of plan assets $ 12.8