Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Key Terms of Credit Agreement (Details)

v3.22.0.1
Long-Term Debt - Key Terms of Credit Agreement (Details) - USD ($)
12 Months Ended
Oct. 14, 2021
Mar. 15, 2021
Mar. 08, 2021
Mar. 07, 2021
Dec. 31, 2021
Oct. 07, 2021
Dec. 31, 2020
Long-Term Debt              
Amount outstanding         $ 1,513,335,000    
Debt Instrument Redemption Option One | Prior to March 15, 2024              
Long-Term Debt              
Redemption price as a percentage of principal         100.00%    
Debt Instrument Redemption Option Two | Prior to March 15, 2024              
Long-Term Debt              
Redemption price as a percentage of principal         103.625%    
Debt instrument, conditional redemption, threshold percentage of aggregate principal amount originally issued remains outstanding         60.00%    
Debt Instrument Redemption Option Two | Maximum | Prior to March 15, 2024              
Long-Term Debt              
Redemption price, percentage of principal amount redeemed         40.00%    
Revolving Facility              
Long-Term Debt              
Availability         $ 500,000,000   $ 450,000,000
Revolving Facility | Minimum              
Long-Term Debt              
Commitment fee (as a percent)         0.15%    
Revolving Facility | Maximum              
Long-Term Debt              
Commitment fee (as a percent)         0.275%    
Term Loan Facility              
Long-Term Debt              
Availability           $ 300,000,000.0  
Amount outstanding         $ 596,250,000   288,750,000
Equipment Notes              
Long-Term Debt              
Principal amount of debt         41,600,000    
Amount outstanding         $ 17,085,000   $ 25,451,000
Debt term         5 years    
Equipment Notes | Minimum              
Long-Term Debt              
Interest rate (as a percent)         2.80%    
Equipment Notes | Maximum              
Long-Term Debt              
Interest rate (as a percent)         4.40%    
Amendment No. 1 to Credit Agreement | Base Rate              
Long-Term Debt              
Debt instrument, floor rate     1.00% 1.50%      
Amendment No. 1 to Credit Agreement | Eurodollar              
Long-Term Debt              
Debt instrument, floor rate     0.00% 0.50%      
Amendment No. 1 to Credit Agreement | Revolving Facility              
Long-Term Debt              
Availability     $ 450,000,000.0        
Sublimit for issuance of letters of credit under Revolving Facility*     100,000,000.0        
Sublimit for swingline loans under Revolving Facility*     35,000,000.0        
Amendment No. 1 to Credit Agreement | Term Loan Facility              
Long-Term Debt              
Availability     $ 300,000,000.0        
Amendment No. 2 to Credit Agreement              
Long-Term Debt              
Availability           300,000,000.0  
Additional delayed draw term loan         $ 300,000,000    
Additional term loan and/or revolver capacity available under incremental facility         $ 300,000,000    
Scheduled maturity date         Oct. 07, 2026    
Amendment No. 2 to Credit Agreement | Minimum              
Long-Term Debt              
Applicable margin based on total leverage ratio         1.00%    
Amendment No. 2 to Credit Agreement | LIBOR              
Long-Term Debt              
Maturity of the reference rate         1 month    
Amendment No. 2 to Credit Agreement | Base Rate Borrowings | Minimum              
Long-Term Debt              
Applicable margin based on total leverage ratio         0.00%    
Amendment No. 2 to Credit Agreement | Base Rate Borrowings | Maximum              
Long-Term Debt              
Applicable margin based on total leverage ratio         1.00%    
Amendment No. 2 to Credit Agreement | Base Rate Borrowings | Federal Funds Rate              
Long-Term Debt              
Basis spread         0.50%    
Amendment No. 2 to Credit Agreement | Base Rate Borrowings | LIBOR              
Long-Term Debt              
Basis spread         1.00%    
Amendment No. 2 to Credit Agreement | LIBOR Rate Borrowings              
Long-Term Debt              
Interest rate floor (as a percent)         0.00%    
Amendment No. 2 to Credit Agreement | LIBOR Rate Borrowings | Maximum              
Long-Term Debt              
Applicable margin based on total leverage ratio         2.50%    
Amendment No. 2 to Credit Agreement | Revolving Facility              
Long-Term Debt              
Availability         $ 500,000,000 500,000,000.0  
Sublimit for issuance of letters of credit under Revolving Facility*         100,000,000 100,000,000.0  
Sublimit for swingline loans under Revolving Facility*         $ 35,000,000 35,000,000.0  
Interest rate         1.09%    
Amendment No. 2 to Credit Agreement | Term Loan Facility              
Long-Term Debt              
Availability         $ 300,000,000 $ 600,000,000.0  
Amendment No. 2 to Credit Agreement | Senior Notes | Change in Control Scenario              
Long-Term Debt              
Redemption price as a percentage of principal         101.00%    
3.625% Senior Notes              
Long-Term Debt              
Interest rate (as a percent)         3.625%    
Amount outstanding         $ 400,000    
3.625% Senior Notes | Senior Notes              
Long-Term Debt              
Interest rate (as a percent)   3.625%     3.625%    
Principal amount of debt   $ 400,000,000.0          
Redemption price, percentage of principal amount redeemed   100.00%          
4.125% Senior Notes              
Long-Term Debt              
Amount outstanding         $ 500,000    
4.125% Senior Notes | On or after October 15, 2026              
Long-Term Debt              
Redemption price as a percentage of principal 102.063%            
4.125% Senior Notes | On or after October 15, 2027              
Long-Term Debt              
Redemption price as a percentage of principal 101.375%            
4.125% Senior Notes | On or after October 15, 2028              
Long-Term Debt              
Redemption price as a percentage of principal 100.688%            
4.125% Senior Notes | On October 15, 2029 and thereafter              
Long-Term Debt              
Redemption price as a percentage of principal 100.00%            
4.125% Senior Notes | Prior to October 15, 2026              
Long-Term Debt              
Basis spread on treasury rate 50.00%            
4.125% Senior Notes | Prior to October 15, 2024              
Long-Term Debt              
Redemption price as a percentage of principal 104.125%            
Redemption price, percentage of principal amount redeemed 40.00%            
Debt instrument, conditional redemption, threshold percentage of aggregate principal amount originally issued remains outstanding 60.00%            
4.125% Senior Notes | Senior Notes              
Long-Term Debt              
Interest rate (as a percent) 4.125%       4.125%    
Principal amount of debt $ 500,000,000.0            
4.125% Senior Notes | Senior Notes | Change in Control Scenario              
Long-Term Debt              
Redemption price as a percentage of principal         101.00%    
5.625% Senior Notes | Senior Notes              
Long-Term Debt              
Interest rate (as a percent)   5.625%