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Note A - Basis of Presentation and Summary of Significant Accounting Policies - Fair Value of Derivative Instruments Classified As Level 2 Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Jun. 30, 2021
Derivative assets, current asset $ 1,831 $ 0
Derivative assets, current liability 0 (814)
Derivative assets, noncurrent liability 0 (4)
Fair Value, Inputs, Level 2 [Member]    
Derivative assets, current asset 1,831 0
Derivative assets, noncurrent asset 569 0
Derivative assets, current liability 0 (814)
Fair Value Net Asset (Liability) – all Derivative Contracts 2,400 (818)
Fair Value, Inputs, Level 2 [Member] | Euro Forward Contract [Member]    
Derivative assets, current asset 1,783 0
Derivative assets, noncurrent asset 507 0
Derivative assets, current liability 0 (630)
Derivative assets, noncurrent liability 0 (4)
Fair Value, Inputs, Level 2 [Member] | Swiss Franc Forward Contract [Member]    
Derivative assets, current asset 48 0
Derivative assets, current liability 0 (184)
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]    
Derivative assets, noncurrent asset $ 62 $ 0