v3.20.2
STOCK-BASED COMPENSATION (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 27, 2020
Sep. 29, 2019
Sep. 27, 2020
Sep. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense $ 4.9 $ 3.8 $ 11.2 $ 12.0
Share-based compensation expense, forfeitures and modifications     $ 2.3  
Granted shares (in shares)     275,740  
Average fair value of shares granted (in dollars per share)     $ 53.78  
Fair value of shares granted, amount     $ 14.8  
Weighted average exercise price (in dollars per share)     $ 41.33  
Cost to be expensed $ 6.6   $ 6.6  
Cost to be expensed (in dollars per share) $ 14.25   $ 14.25  
Underlying volatility (percent)     42.00%  
Unrecognized compensation cost $ 25.5   $ 25.5  
Weighted average recognition period     17 months 12 days  
Stock Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares approved (in shares) 465,000   465,000  
Vesting period     3 years