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Note 16 - Interest Bearing Loans (Details Textual) - USD ($)
$ in Millions
Oct. 06, 2023
Mar. 31, 2024
Dec. 31, 2023
Long-Term Debt   $ 40.0 $ 20.0
New Credit Facility [Member]      
Long-Term Debt   $ 40.0 20.0
Debt Instrument, Interest Rate, Effective Percentage   7.60%  
New Credit Facility [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility, Maximum Borrowing Capacity $ 250.0    
Line of Credit Facility, Ability to Increase Borrowing Capacity, Maximum Available $ 350.0    
Debt Instrument, SOFR Floor 0.00%    
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 35.00%    
Debt Instrument, Covenant, Minimum Interest Cover Ratio 4    
Debt Instrument, Covenant, Maximum Net Leverage Ratio 2.5    
New Credit Facility [Member] | Drawdowns as Loans [Member]      
Line of Credit Facility, Maximum Borrowing Capacity $ 166.7    
Debt Instrument, Basis Spread on Variable Rate 3.75%    
New Credit Facility [Member] | Drawdowns as Loans [Member] | One-third Drawn [Member]      
Line of Credit Facility, Upfront Fee Percentage 0.25%    
New Credit Facility [Member] | Drawdowns as Loans [Member] | Two-thirds Drawn [Member]      
Line of Credit Facility, Upfront Fee Percentage 0.50%    
New Credit Facility [Member] | Letter of Credit [Member]      
Line of Credit Facility, Maximum Borrowing Capacity $ 83.3    
Debt Instrument, Basis Spread on Variable Rate 2.50%    
Line of Credit Facility, Upfront Fee Percentage 0.40%    
New Credit Facility [Member] | Bonds and Guarantees [Member]      
Long-Term Debt   $ 44.6 $ 50.4