v3.26.1
Financial Instruments -Schedule of Fair Value Measurements (Details) - USD ($)
$ in Thousands
May 30, 2026
Feb. 28, 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds $ 21,550 $ 31,662
Municipal bonds 18,248 14,918
Aluminum hedging contract    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative asset 2,684 401
Interest rate swap contracts    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative liabilities 102 701
Quoted Prices in Active Markets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds 21,550 31,662
Municipal bonds 0 0
Quoted Prices in Active Markets (Level 1) | Aluminum hedging contract    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative asset 0 0
Quoted Prices in Active Markets (Level 1) | Interest rate swap contracts    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative liabilities 0 0
Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds 0 0
Municipal bonds 18,248 14,918
Other Observable Inputs (Level 2) | Aluminum hedging contract    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative asset 2,684 401
Other Observable Inputs (Level 2) | Interest rate swap contracts    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative liabilities $ 102 $ 701