XML 61 R32.htm IDEA: XBRL DOCUMENT v3.20.1
General - Basis of Presentation - Additional Information (Details)
$ in Millions
3 Months Ended
Apr. 06, 2020
USD ($)
item
Mar. 31, 2020
USD ($)
item
payment
shares
Mar. 31, 2019
shares
Apr. 30, 2020
USD ($)
Apr. 22, 2020
USD ($)
Dec. 31, 2019
USD ($)
Apr. 17, 2019
USD ($)
Summary of Significant Accounting Policies              
Number of parks owned or operated | item   26          
Valuation allowance   $ 132.2       $ 130.6  
Accrued interest and penalties, income taxes   $ 0.0       0.0  
Number of reporting units | item   1          
Antidilutive stock options excluded from computation of diluted shares outstanding (in shares) | shares   5,907,000 5,083,000        
Number of contracts in a typical international agreement | item   1          
Number of upfront payments | payment   1          
Number of distinct promises within a typical international agreement | item   3          
Initial membership term   12 months          
Allowance for doubtful accounts   $ 7.6       $ 8.3  
COVID 19 Considerations              
Percentage of base salaries reduced for executive officers and full-time salaried employees 25.00%            
Percentage of weekly hours reduced for full-time hourly workers 25.00%            
Number of weekly hours full-time hourly workers were reduced to | item 30            
Amount of deferral of increased investments planned $ 20.0            
Second Amended and Restated Term Loan B              
COVID 19 Considerations              
Maximum borrowing capacity   $ 350.0         $ 800.0
Interest rate, stated percentage   3.28%          
Subsequent Event | Second Amended and Restated Term Loan B              
COVID 19 Considerations              
Incremental borrowing capacity       $ 131.0      
Maximum borrowing capacity       481.0      
Subsequent Event | Senior Unsecured 2025 Notes | Six Flags Theme Parks Inc.              
COVID 19 Considerations              
Debt instrument, face amount       $ 725.0 $ 725.0    
Interest rate, stated percentage       7.00% 7.00%    
Minimum              
COVID 19 Considerations              
Amount of non-labor costs reduced in current year 30.0            
Amount of deferral or elimination of discretional capital projects planned for current year 40.0            
Maximum              
COVID 19 Considerations              
Amount of non-labor costs reduced in current year 40.0            
Amount of deferral or elimination of discretional capital projects planned for current year $ 50.0            
United States              
Summary of Significant Accounting Policies              
Number of parks owned or operated | item   23          
Mexico              
Summary of Significant Accounting Policies              
Number of parks owned or operated | item   2          
Canada              
Summary of Significant Accounting Policies              
Number of parks owned or operated | item   1