Quarterly report pursuant to Section 13 or 15(d)

Long-term Debt (Details)

v3.21.2
Long-term Debt (Details)
$ in Millions
Oct. 01, 2020
USD ($)
Sep. 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Debt Instrument [Line Items]      
Maximum total net leverage ratio   3.5  
Minimum fixed charge coverage ratio   1.25  
Minimum      
Debt Instrument [Line Items]      
Percentage of commitment fee payable periodically 0.25%    
Maximum      
Debt Instrument [Line Items]      
Percentage of commitment fee payable periodically 0.40%    
New Revolving Credit Facility      
Debt Instrument [Line Items]      
Aggregate principal amount $ 150.0    
Outstanding amount   $ 0.0 $ 22.0
New Revolving Credit Facility | LIBOR      
Debt Instrument [Line Items]      
Line of credit facility bears interest (as a percent) 2.25%    
Letter of Credit      
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 15.0