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Note 15 - Debt (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended 12 Months Ended
Sep. 09, 2022
Feb. 28, 2023
Jan. 31, 2023
Dec. 31, 2022
Feb. 28, 2023
Dec. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Mar. 11, 2022
Interest Payable, Current       $ 16,300   $ 16,300 $ 16,300 $ 16,300    
Interest Expense Excluding Earn Out Interest             135,500 127,000 $ 138,300  
Letters of Credit Outstanding, Amount       4,400   4,400 4,400 5,100    
Bilateral Term Loan Agreement [Member]                    
Proceeds from Short-Term Debt, Total       275,000            
Debt Instrument, Utilized for Share Repurchases           250,000        
Bilateral Term Loan Agreement [Member] | BSBY Margin [Member]                    
Debt Instrument, Basis Spread on Variable Rate 1.35%       1.35%          
Subsequent Event [Member] | Bilateral Term Loan Agreement [Member]                    
Repayments of Short-Term Debt, Total         $ 125,000          
Revolving Credit Facility [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity       $ 1,000,000   $ 1,000,000 $ 1,000,000      
Debt Instrument, Leverage Ratio       3.5   3.5 3.5      
Line of Credit Facility, Remaining Borrowing Capacity       $ 5,600   $ 5,600 $ 5,600 $ 384,900    
Revolving Credit Facility [Member] | Subsequent Event [Member]                    
Repayments of Debt   $ 970,000 $ 20,000   990,000          
Line of Credit Facility, Increase in Maximum Borrowing Capacity         995,600          
Revolving Credit Facility [Member] | Subsequent Event [Member] | Bilateral Term Loan Agreement [Member]                    
Line of Credit Facility, Current Borrowing Capacity   275,000     275,000          
Revolving Credit Facility [Member] | Minimum [Member]                    
Debt Instrument, Leverage Ratio       4.0   4.0 4.0      
Revolving Credit Facility [Member] | Maximum [Member]                    
Debt Instrument, Leverage Ratio       4.25   4.25 4.25      
The 4.125% Senior Note [Member]                    
Debt Instrument, Interest Rate, Stated Percentage       4.125%   4.125% 4.125% 4.125%    
Repayments of Debt             $ 350,000      
Bilateral Term Loan Agreement [Member]                    
Debt Instrument, Face Amount $ 125,000                 $ 125,000
Bilateral Term Loan Agreement [Member] | Revolving Credit Facility [Member] | Subsequent Event [Member]                    
Long-Term Debt, Gross   0     0          
Repayments of Debt   $ 275,000                
Repayments of Short-Term Debt, Total         $ 275,000          
Senior Notes [Member]                    
Long-Term Debt, Gross       $ 2,350,000   $ 2,350,000 $ 2,350,000 $ 2,700,000