Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation and Other Benefit Plans (Narrative) (Details)

v3.20.1
Stock-Based Compensation and Other Benefit Plans (Narrative) (Details) - USD ($)
3 Months Ended
Apr. 27, 2020
Mar. 31, 2020
Mar. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock-based compensation   $ (2,569,000) $ 1,723,000
Payments to settle stock appreciation rights     47,000,000
Cash dividends   $ 0 $ 0
Severance cost as percentage of target bonus   75.00%  
Long-Term Incentive Plan, 2014 [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Awards authorized   187,941  
Long-Term Incentive Plan, 2020 [Member] | Subsequent Event [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Awards authorized 5,500,000    
Awards issued 0    
Stock Option [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Award granted life   5 years  
Shares withheld to satisfy tax withholding obligations   0 13,875
Expected dividend yield     0.00%
Restricted Stock [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Awards, vesting period   3 years  
Options granted   0  
Shares withheld to satisfy tax withholding obligations   34,459 30,573
Other awards granted   0  
Other awards granted, weighted average exercise price    
Stock Appreciation Rights (SARs) [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Other awards granted    
Other awards granted, weighted average exercise price    
Minimum [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Severance cost as percentage of salary   50.00%  
Maximum [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Severance cost as percentage of salary   100.00%