XML 60 R50.htm IDEA: XBRL DOCUMENT v3.20.2
STOCK-BASED COMPENSATION (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 26, 2020
Mar. 28, 2020
Sep. 28, 2019
Sep. 26, 2020
Sep. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense $ 3,046   $ 3,733 $ 9,531 $ 13,540
Stock Option [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense 597   904 2,065 3,146
Time-based restricted stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense 2,449   2,288 7,798 7,034
Performance Shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense 0   299 (1,927) 1,957
Stock-based compensation expense   $ 2,800      
Stock Awards [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense $ 0   $ 242 $ 1,595 $ 1,403