Quarterly report pursuant to Section 13 or 15(d)

Stock-based Employee Compensation (Details Textual)

v3.19.3
Stock-based Employee Compensation (Details Textual) - USD ($)
$ in Millions
9 Months Ended
May 15, 2018
Sep. 29, 2019
Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Allocated Share-based Compensation Expense   $ 6.1 $ 5.7
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   874,903  
Restricted Stock Units [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   22,960  
Omnibus Incentive Plan 2018 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Authorized Number of Shares Reserved for Future grants 2,500,000    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant   2,350,670  
Stock Issued During Period, Shares, Restricted Stock Award, Gross   267,208  
Omnibus Incentive Plan 2018 [Member] | Share-based Compensation Award, Tranche One [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Issued During Period, Shares, Restricted Stock Award, Gross   47,504  
Omnibus Incentive Plan 2018 [Member] | Share-based Compensation Award, Tranche Two [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Issued During Period, Shares, Restricted Stock Award, Gross   143,859  
Omnibus Incentive Plan 2018 [Member] | Share-based Compensation Award, Tranche Three [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Issued During Period, Shares, Restricted Stock Award, Gross   57,191  
Omnibus Incentive Plan 2018 [Member] | Share-based Compensation Award, Tranche Four [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Issued During Period, Shares, Restricted Stock Award, Gross   18,654  
Omnibus Incentive Plan 2018 [Member] | Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   373,717  
Omnibus Incentive Plan 2018 [Member] | Restricted Stock Units [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   22,960  
Long-term Equity Incentive Plan 2005 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Plan expiration date May 30, 2018    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares, Cancelled 1,649,394    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Issuable upon Exercise of Currently Outstanding Option   1,500  
Long-term Equity Incentive Plan 2005 [Member] | Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   501,186