XML 68 R57.htm IDEA: XBRL DOCUMENT v3.21.1
Stockholders’ Equity and Stock-Based Compensation (Details)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended
Feb. 20, 2020
$ / shares
shares
Feb. 28, 2019
shares
Mar. 31, 2021
USD ($)
performance_period
$ / shares
shares
Mar. 31, 2020
USD ($)
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share issuance (in shares) | shares     151,200    
Preferred stock, par value (in dollars per share) | $ / shares     $ 0.01    
Stock-based compensation expense (reduction to expense) | $     $ 4.2 $ 6.0  
Stock options granted (in shares) | shares     200,000 600,000  
Phantom Share Units (PSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense (reduction to expense) | $     $ 4.7 $ 0.1  
Liability for cash-settled awards | $     8.9   $ 10.1
Unrecognized compensation cost, other awards | $     $ 20.2    
Unamortized compensation costs, weighted average period of recognition     2 years    
Amounts paid on cash-settled awards | $     $ 5.9 2.8  
Phantom Share Units (PSUs) | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period     3 years    
Phantom Share Units (PSUs) | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period     4 years    
Stock Appreciation Rights (SARs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period     4 years    
Stock-based compensation expense (reduction to expense) | $     $ 20.3 (5.5)  
Liability for cash-settled awards | $     38.7   $ 54.6
Unrecognized compensation cost, other awards | $     $ 79.9    
Unamortized compensation costs, weighted average period of recognition     2 years 6 months    
Amounts paid on cash-settled awards | $     $ 37.2 $ 6.6  
2018 Long Term Incentive Compensation Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common stock available for awards, up to (in shares) | shares     12,700,000    
Common stock counted against the maximum shares available for grant for each share awarded under the plan (in shares)     1    
Shares available for future grants (in shares) | shares     7,404,918    
2018 Long Term Incentive Compensation Plan | Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common stock counted against the maximum shares available for grant for each share awarded under the plan (in shares)     2.30    
Performance Share Program II | Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards granted (in shares) | shares   107,297 0    
Award period     3 years    
Number of annual award performance periods | performance_period     3    
Service period     1 year    
Vesting period     3 years    
Performance Share Program II | Performance Shares | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of award which can potentially be earned     50.00%    
Performance Share Program II | Performance Shares | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of award which can potentially be earned     150.00%    
Series D Preferred Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share issuance (in shares) | shares 883   43    
Preferred stock, par value (in dollars per share) | $ / shares $ 0.01   $ 0.01   $ 0.01
Convertible debt issuance (in shares) | shares     151.2    
Preferred stock, shares authorized (in shares) | shares     5,000   5,000
Preferred stock, shares outstanding (in shares) | shares     775   883