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Note K - Derivatives and Hedging (Details Textual)
€ in Millions, SFr in Millions, $ in Millions
3 Months Ended
Aug. 18, 2021
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2022
EUR (€)
Sep. 30, 2022
CHF (SFr)
Accumulated Other Comprehensive Income (Loss) Cumulative Cash Flow Hedges, Gain (Loss)   $ 2.9    
Deferred Tax Assets, Derivative Instruments   $ 0.7    
Wells Fargo Bank, N.A. [Member] | Credit Agreement [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]        
Debt Instrument, Basis Spread on Variable Rate   1.29%    
Wells Fargo Bank, N.A. [Member] | Credit Agreement [Member] | Term Loan [Member]        
Debt Instrument, Face Amount $ 10.0 $ 10.0    
Wells Fargo Bank, N.A. [Member] | Credit Agreement [Member] | Term Loan [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]        
Debt Instrument, Basis Spread on Variable Rate 1.80%      
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]        
Derivative, Notional Amount   12.3   SFr 12
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member]        
Derivative, Notional Amount   $ 33.3 € 29.1  
Interest Rate Swap [Member]        
Derivative, Fixed Interest Rate 2.40%