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Note 6 - Long-term Debt (Details Textual)
$ in Thousands
12 Months Ended
Jun. 09, 2021
Jun. 08, 2021
USD ($)
May 25, 2021
USD ($)
May 21, 2020
USD ($)
Dec. 03, 2019
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Sep. 30, 2021
Jun. 30, 2021
Aug. 05, 2020
Jun. 25, 2018
Mar. 28, 2016
Long-term Line of Credit, Total           $ 867,897 $ 896,185          
Debt Instrument, Face Amount           18,400            
Long-term Debt, Gross           3,069,393 3,949,823          
Operating Lease, Payments           129,053 $ 147,560          
Gold Merger Sub [Member]                        
Lessee, Operating Lease, Discount Rate             11.10%          
Operating Lease, Payments           $ 5,900            
Revolving Credit Facility [Member]                        
Line of Credit Facility Covenant Terms, Maximum Secured Leverage Ratio Allowed           4.25            
Line of Credit Facility Covenant Terms, Minimum Consolidated Interest Coverage Ratio Required           1.75            
Revolving Credit Facility, Swing Loan and Term Loan A [Member] | Eurodollar [Member] | Minimum [Member]                        
Debt Instrument, Basis Spread on Variable Rate           1.75%            
Revolving Credit Facility, Swing Loan and Term Loan A [Member] | Eurodollar [Member] | Maximum [Member]                        
Debt Instrument, Basis Spread on Variable Rate           2.75%            
Revolving Credit Facility, Swing Loan and Term Loan A [Member] | Base Rate [Member] | Minimum [Member]                        
Debt Instrument, Basis Spread on Variable Rate           0.75%            
Revolving Credit Facility, Swing Loan and Term Loan A [Member] | Base Rate [Member] | Maximum [Member]                        
Debt Instrument, Basis Spread on Variable Rate           1.75%            
Refinancing Term B Loans [Member] | Eurodollar [Member] | Minimum [Member]                        
Debt Instrument, Basis Spread on Variable Rate           2.25%            
Refinancing Term B Loans [Member] | Eurodollar [Member] | Maximum [Member]                        
Debt Instrument, Basis Spread on Variable Rate           2.50%            
Refinancing Term B Loans [Member] | Base Rate [Member] | Minimum [Member]                        
Debt Instrument, Basis Spread on Variable Rate           1.25%            
Refinancing Term B Loans [Member] | Base Rate [Member] | Maximum [Member]                        
Debt Instrument, Basis Spread on Variable Rate           1.50%            
Bank Credit Facility [Member] | Eurodollar [Member]                        
Debt Instrument, Basis Spread on Variable Rate           1.00%            
Bank Credit Facility [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member]                        
Debt Instrument, Basis Spread on Variable Rate           0.50%            
Term A Loan [Member]                        
Debt Instrument, Fixed Quarterly Amortization of Principal Percentage             5.00%   10.00%      
Debt Instrument, Fixed Annual Amortization of Principal Percentage           20.00%            
Bank Credit Facility [Member]                        
Debt Instrument, Covenant, Total Net Leverage Ratio Removed     5.50                  
Debt Instrument, Covenant, Requirement Removed, Maximum Proceeds of Borrowings Under Revolving Credit Facility to Be Used for Covenant Compliance     $ 200,000                  
Line of Credit Facility, Maximum Borrowing Capacity           $ 1,033,700            
Line of Credit Facility, Remaining Borrowing Capacity           $ 1,019,500            
Bank Credit Facility [Member] | Base Rate [Member] | Minimum [Member]                        
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage           0.25%            
Bank Credit Facility [Member] | Base Rate [Member] | Maximum [Member]                        
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage           0.50%            
Bank Credit Facility [Member] | Revolving Credit Facility [Member]                        
Long-term Line of Credit, Total           $ 0            
Bank Credit Facility [Member] | Letter of Credit [Member]                        
Long-term Line of Credit, Total           $ 14,200            
Refinancing Term B Loans [Member]                        
Debt Instrument Prepayment Fee, Percentage             1.00%          
Senior Secured Notes [Member]                        
Debt Instrument Covenant Terms, Minimum Required Coverage Ratio           2.0            
Revolving Credit Facility and Term Loan A [Member] | Term A Loan [Member]                        
Debt Instrument, Fixed Quarterly Amortization of Principal Percentage           20.00%       5.00%    
Debt Instrument, Fixed Annual Amortization of Principal Percentage               10.00% 10.00%      
Amended Credit Facility [Member] | Revolving Credit Facility [Member]                        
Line of Credit Facility, Additional Available Borrowing Capacity           $ 550,000            
Bank Credit Facility [Member]                        
Line of Credit Facility, Maximum Permitted Secured Leverage Ratio           3.50            
Senior Note 4750 Due 2031 Member | Senior Notes [Member]                        
Debt Instrument, Face Amount   $ 900,000                    
Debt Instrument, Interest Rate, Stated Percentage   4.75%       4.75%            
Debt Issuance Costs, Gross   $ 14,000                    
Debt Instrument, Conditional Repurchase Price Percent of Principal           101.00%            
Debt Instrument, Redemption Price, Percentage   100.00%                    
Long-term Debt, Gross           $ 1,000,000            
Senior Note 8.625% Due 2025 [Member] | Senior Notes [Member]                        
Debt Instrument, Face Amount       $ 600,000                
Debt Instrument, Interest Rate, Stated Percentage       8.625%   8.625%            
Debt Issuance Costs, Gross       $ 12,000                
Debt Instrument, Conditional Repurchase Price Percent of Principal             101.00%          
Long-term Debt, Gross           $ 300,000            
Senior Note 8.625% Due 2025 [Member] | Senior Notes [Member] | Debt Instrument, Redemption, Period One [Member]                        
Debt Instrument, Redemption Price, Percentage       100.00%                
Senior Note 8.625% Due 2025 [Member] | Senior Notes [Member] | Debt Instrument, Redemption, Period Two [Member]                        
Debt Instrument, Redemption Price, Percentage       104.313%                
Senior Note 8.625% Due 2025 [Member] | Senior Notes [Member] | Debt Instrument, Redemption, Period Three [Member]                        
Debt Instrument, Redemption Price, Percentage       100.00%                
The 4.750% Senior NotesDue December 2027 [Member] | Senior Notes [Member]                        
Debt Instrument, Face Amount         $ 1,000,000              
Debt Instrument, Interest Rate, Stated Percentage         4.75% 4.75% 4.75%          
Debt Issuance Costs, Gross         $ 15,700              
Debt Instrument, Conditional Repurchase Price Percent of Principal         101.00%              
Debt Instrument, Redemption Price, Percentage         100.00%              
Long-term Debt, Gross           $ 900,000 $ 1,000,000          
The 4.750% Senior NotesDue December 2027 [Member] | Senior Notes [Member] | Prior to December 1, 2022 [Member]                        
Debt Instrument, Redemption Price, Percentage         100.00%              
The 4.750% Senior NotesDue December 2027 [Member] | Senior Notes [Member] | In 2022 [Member]                        
Debt Instrument, Redemption Price, Percentage         102.375%              
The 4.750% Senior NotesDue December 2027 [Member] | Senior Notes [Member] | In 2024 [Member]                        
Debt Instrument, Redemption Price, Percentage         100.00%              
Senior Notes 6.000% Due 2026 [Member] | Senior Notes [Member]                        
Debt Instrument, Interest Rate, Stated Percentage             6.00%       6.00%  
Debt Instrument, Redemption Price, Percentage 103.993%                      
Long-term Debt, Gross             $ 700,000          
Senior Note 6.375% Due 2026 [Member] | Senior Notes [Member]                        
Debt Instrument, Interest Rate, Stated Percentage             6.375%         6.375%
Long-term Debt, Gross             $ 750,000          
Senior Note 6.375% Due 2026 [Member] | Senior Notes [Member] | In 2021 [Member]                        
Debt Instrument, Redemption Price, Percentage 103.188%                      
Other Notes [Member] | Senior Notes [Member]                        
Long-term Debt, Gross         $ 57,700