XML 108 R93.htm IDEA: XBRL DOCUMENT v3.22.0.1
Debt - Narrative (Details) - USD ($)
 12 Months Ended
Mar. 03, 2021
Oct. 29, 2020
Apr. 15, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2016
Debt Instrument [Line Items]              
Loss on debt extinguishment       $ 0 $ 28,500,000 $ 20,100,000  
2027 Notes | Senior Notes              
Debt Instrument [Line Items]              
Aggregate principal amount   $ 485,000,000   $ 485,000,000 485,000,000    
Stated interest rate (as a percentage)       6.875%      
Aggregate principal amount of convertible debt outstanding       $ 478,100,000 476,900,000    
2027 Notes | Senior Notes | Prior to November 1, 2023              
Debt Instrument [Line Items]              
Redemption price, percent of principal amount of notes redeemed (as a percent)   100.00%          
Proportion of notes with option to redeem (as a percent)   40.00%          
Redemption price, proportion of principal amount (as a percent)   106.875%          
2027 Notes | Senior Notes | Change of Control              
Debt Instrument [Line Items]              
Redemption price, proportion of principal amount (as a percent)   101.00%          
2022 Notes | Senior Notes              
Debt Instrument [Line Items]              
Stated interest rate (as a percentage)     10.75%        
Redemption price, percent of principal amount of notes redeemed (as a percent)     105.375%        
Principal amount redeemed     $ 440,000,000        
Repurchase amount     487,300,000        
Call premium     23,650,000        
Accrued interest     $ 23,650,000        
Loss on debt extinguishment         28,500,000    
Write off of unamortized discount and fees related to issuance of the Notes         $ 4,800,000    
2021 Notes | Senior Notes              
Debt Instrument [Line Items]              
Aggregate principal amount             $ 213,500,000
Stated interest rate (as a percentage)         5.50%    
Aggregate principal amount of convertible debt outstanding       0 $ 83,600,000 84,200,000  
Aggregate principal amount of debt converted $ 84,200,000            
Aggregate cash payments to note holders for debt conversion 86,500,000            
Aggregate cash payment for outstanding principal 84,200,000            
Aggregate cash payment for accrued interest $ 2,300,000            
Aggregate shares of common stock issued from conversion of convertible securities (in shares) 4,537,123            
Amount of conversion, shares received upon exercise of capped call transactions (in shares) 1,251,460            
Amount of conversion, increase in outstanding common stock (in shares) 3,285,663            
Installment Payment Agreement              
Debt Instrument [Line Items]              
Aggregate principal amount           $ 27,700,000  
Stated interest rate (as a percentage)           7.00%  
Amount reported in current maturities of long-term debt       5,500,000 6,500,000    
Software Licenses Financing Agreement              
Debt Instrument [Line Items]              
Aggregate principal amount           $ 19,300,000  
Stated interest rate (as a percentage)           5.47%  
Amount reported in current maturities of long-term debt       3,800,000 $ 3,600,000    
Amended and Restated ABL Credit Facility | Revolving Credit Facility              
Debt Instrument [Line Items]              
Maximum borrowing capacity   $ 145,000,000          
Accordion feature increase limit   $ 175,000,000          
Borrowings outstanding       0      
Availability under the facility, net of letters of credit issued       80,400,000      
Springing maturity, period prior to any date on which domestic pension contributions in an amount in excess of threshold are required to be paid   91 days          
Springing maturity, date on which pension contributions to pension funds in the United States are required to be paid, threshold excess amount   $ 100,000,000          
Springing maturity, conditions, minimum liquidity   130,000,000          
Amended and Restated ABL Credit Facility | Letters of Credit              
Debt Instrument [Line Items]              
Maximum borrowing capacity   $ 40,000,000          
Letters of credit outstanding       $ 5,700,000      
Amended and Restated ABL Credit Facility | Line of Credit | Revolving Credit Facility              
Debt Instrument [Line Items]              
Requirement to maintain minimum fixed charge coverage ratio (as a percent)   10.00%          
Requirement to maintain fixed charge coverage ratio, availability threshold   $ 14,500,000          
Amount of aggregate default under other debt that would trigger event of default   $ 50,000,000