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STOCK PLANS AND STOCK-BASED COMPENSATION (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Employee compensation and benefits $ 48,153 $ 68,882  
Number of shares reserved under plan (shares) 18,400,000    
Percent of estimated fair market value at the date of grant (percentage) 100.00%    
Options to purchase shares of common stock (shares) 351,695    
Unvested restricted stock and restricted stock units (shares) 2,332,440    
Shares available for future grant (shares) 2,751,827    
Percentage of fair market value at date of grant (percentage) 85.00%    
Shares issued under the ESPP 736,184 138,133 156,355
Total intrinsic value   $ 5,800 $ 9,400
Total cash received from employees as a result of exercises, net of taxes $ 800    
2002 Employee Stock Purchase Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares reserved under plan (shares) 6    
Total cash received from employees as a result of stock issuances under the ESPP, net of taxes $ 11,900    
Offering period     6 months
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum term of option 7 years    
Options to purchase shares of common stock (shares) 352,000 627,000  
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested restricted stock and restricted stock units (shares) 1,911,000 1,473,000  
Total unrecognized compensation cost   $ 47,300  
Period for recognition for unrecognized compensation cost 1 year 8 months 12 days    
Weighted average grant date fair value (in dollars per share) $ (33.77) $ (68.00) $ (52.79)
Total grant date fair value $ 38,200 $ 27,800 $ 27,800
Employee | Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock option vesting period (years) 3 years    
Employee | Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock option vesting period (years) 3 years    
Director | Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock option vesting period (years) 4 years    
Director | Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock option vesting period (years) 1 year