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INCOME TAXES (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Apr. 02, 2016
Mar. 28, 2015
Income Taxes [Line Items]        
Provisional amount for reasonable impact of act $ 2,000      
Provisional amount for one-time transition tax liability 25,800      
Foregin source income 56,098 $ 17,248 $ (34,890)  
Valuation allowance 15,541 (13,505) $ (5,194)  
Unremitted earnings 274 1,065    
Tax credit carry-forward, net $ 3,479 $ 17,852    
Income tax provision 23.60% 4.40% (4.00%)  
Unremitted earnings which are not indefinitely reinvested $ 12,400      
Undistributed foreign earnings of subsidiaries $ 343,800      
U.S. federal statutory income tax rate 31.50% 35.00% 35.00%  
Unremitted earnings $ (791) $ 330 $ 735  
Provision (benefit) for income taxes 14,060 (1,208) 2,163  
Unrecognized tax benefits 4,450 3,370 2,523 $ 7,070
Unrecognized tax benefits that will impact effective tax rate 3,800 1,500 600  
Unrecognized tax positions possible change in the next twelve months 1,400      
Unrecognized tax benefits increases 289 0 0  
Accrued interest and penalties 200      
Accrued interest on income tax benefit   $ 200 $ 300  
Domestic Tax Authority        
Income Taxes [Line Items]        
Valuation allowance 14,800      
Operating loss carry-forwards 30,100      
Tax credit carry-forward, net 4,200      
State and Local Jurisdiction        
Income Taxes [Line Items]        
Operating loss carry-forwards 35,500      
Foreign Tax Authority        
Income Taxes [Line Items]        
Operating loss carry-forwards 15,800      
Federal and State        
Income Taxes [Line Items]        
Unrecognized tax benefits increases $ 1,100      
Puerto Rico        
Income Taxes [Line Items]        
Tax grant or holiday term 15 years      
Malaysia        
Income Taxes [Line Items]        
Tax grant or holiday term 10 years