XML 46 R35.htm IDEA: XBRL DOCUMENT v3.21.1
Debt, net - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Apr. 30, 2021
Sep. 30, 2020
Apr. 30, 2020
Debt Instrument [Line Items]          
Repayments of Long-term Lines of Credit   $ 0.0      
Line of Credit Facility, Current Borrowing Capacity   380.0      
Line of Credit Facility, Maximum Borrowing Capacity   570.0      
Letter of Credit, Maximum Borrowing Capacity   $ 100.0      
Letter of Credit, Maximum Borrowing Capacity, Percentage of Revolving Credit Commitment   50.00%      
Proceeds from Long-term Lines of Credit   $ 0.0      
Long-term Line of Credit   0.0   $ 0.0  
Letters of credit outstanding   46.0      
Line of Credit Facility, Remaining Borrowing Capacity   334.0      
Debt Repurchase Program, Authorized Amount   30.0     $ 30.0
Debt   654.6   641.1  
Subsequent Event          
Debt Instrument [Line Items]          
Line of Credit Facility, Current Borrowing Capacity     $ 410.0    
Line of Credit Facility, Maximum Borrowing Capacity     600.0    
Senior Notes [Member]          
Debt Instrument [Line Items]          
Deferred finance costs, net   $ 7.9   8.9  
Senior Notes 8.0%          
Debt Instrument [Line Items]          
Debt Instrument, Redemption Price, Percentage   104.00%      
Debt Instrument, Face Amount   $ 350.0      
Effective interest rate of liability component   8.50%      
Interest rate percentage   8.00%      
Debt   $ 345.9   345.2  
Senior Notes 8.0% | Subsequent Event          
Debt Instrument [Line Items]          
Extinguishment of Debt, Amount $ 350.0        
Debt Instrument, Redemption Price     365.6    
Debt Instrument, Redemption, Accrued and Unpaid Interest     1.6    
Debt Instrument, Redemption, Call Premium     14.0    
Senior Notes 5.0%          
Debt Instrument [Line Items]          
Debt Instrument, Redemption Price, Percentage   102.50%      
Debt Instrument, Face Amount   $ 300.0      
Effective interest rate of liability component   5.20%      
Interest rate percentage   5.00%      
Debt   $ 296.2   295.9  
Secured Debt          
Debt Instrument [Line Items]          
Interest rate percentage   4.00%      
Debt   $ 12.5   $ 0.0  
Senior Notes 3.85% | Subsequent Event          
Debt Instrument [Line Items]          
Debt Instrument, Redemption Price, Percentage 101.925%        
Debt Instrument, Face Amount     $ 400.0    
Effective interest rate of liability component     4.10%    
Interest rate percentage     3.85%