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Note 7 - Debt, Credit Agreement and Leases (Details Textual) - USD ($)
$ in Millions
3 Months Ended
Jul. 21, 2022
Mar. 31, 2024
Dec. 31, 2023
Line of Credit Facility [Line Items]      
Line of Credit Facility, Commitment Fee Percentage   8.00%  
New Credit Agreement [Member] | Revolving Credit Facility [Member]      
Line of Credit Facility [Line Items]      
Line of Credit Facility, Maximum Borrowing Capacity $ 150.0    
Letters of credit outstanding, amount   $ 6.8  
Line of Credit Facility, Maximum Borrowing Capacity, Option $ 75.0    
Letters of Credit Outstanding, Amount   $ 6.8  
New Credit Agreement [Member] | Revolving Credit Facility [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member]      
Line of Credit Facility [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 0.50%    
New Credit Agreement [Member] | Revolving Credit Facility [Member] | Minimum [Member]      
Line of Credit Facility [Line Items]      
Line of Credit Facility, Commitment Fee Percentage 0.45%    
New Credit Agreement [Member] | Revolving Credit Facility [Member] | Minimum [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]      
Line of Credit Facility [Line Items]      
Debt Instrument, Basis Spread on Variable Rate   2.00%  
New Credit Agreement [Member] | Revolving Credit Facility [Member] | Minimum [Member] | Base Rate [Member]      
Line of Credit Facility [Line Items]      
Debt Instrument, Basis Spread on Variable Rate   1.00%  
Debt Instrument, Basis Spread on Variable Rate, Applicable Margin 1.00%    
New Credit Agreement [Member] | Revolving Credit Facility [Member] | Minimum [Member] | Leverage Ratio Applicable Margin [Member]      
Line of Credit Facility [Line Items]      
Debt instrument, participation fee, percent 2.00%    
New Credit Agreement [Member] | Revolving Credit Facility [Member] | Maximum [Member]      
Line of Credit Facility [Line Items]      
Line of Credit Facility, Commitment Fee Percentage 0.7875%    
New Credit Agreement [Member] | Revolving Credit Facility [Member] | Maximum [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]      
Line of Credit Facility [Line Items]      
Debt Instrument, Basis Spread on Variable Rate   3.50%  
New Credit Agreement [Member] | Revolving Credit Facility [Member] | Maximum [Member] | Base Rate [Member]      
Line of Credit Facility [Line Items]      
Debt Instrument, Basis Spread on Variable Rate   2.50%  
New Credit Agreement [Member] | Revolving Credit Facility [Member] | Maximum [Member] | Leverage Ratio Applicable Margin [Member]      
Line of Credit Facility [Line Items]      
Debt instrument, participation fee, percent 3.50%    
New Credit Agreement [Member] | Letter of Credit [Member]      
Line of Credit Facility [Line Items]      
Letters of credit, drawn amount   $ 140.0  
Senior Notes [Member] | The 2028 Senior Notes [Member]      
Line of Credit Facility [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage   7.25% 7.25%
Senior Notes [Member] | New Credit Agreement [Member]      
Line of Credit Facility [Line Items]      
Letters of credit, drawn amount   $ 150.0