v3.21.2
STOCK-BASED COMPENSATION (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 27, 2021
Mar. 28, 2021
Jun. 28, 2020
Jun. 27, 2021
Jun. 28, 2020
Share-based Payment Arrangement [Abstract]          
Share-based compensation expense $ 6.0   $ 2.0 $ 10.3 $ 6.3
Share-based compensation expense, forfeitures and modifications     $ 2.4   $ 2.4
Granted shares (in shares)   230,073      
Average fair value of shares granted (in dollars per share)   $ 73.53      
Fair value of shares granted, amount   $ 16.9      
Unrecognized compensation cost $ 31.7     $ 31.7  
Weighted average recognition period       20 months 3 days