v3.20.2
STOCK-BASED COMPENSATION (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 28, 2020
Jun. 30, 2019
Jun. 28, 2020
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense $ 2.0 $ 4.3 $ 6.3 $ 8.2
Share-based compensation expense, forfeitures and modifications 2.4   $ 2.4  
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 $ 30.3   $ 30.3  
Weighted average recognition period     19 months 27 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