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Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
12 Months Ended
Apr. 01, 2017
Apr. 02, 2016
Mar. 28, 2015
Significant Accounting Policies [Line Items]      
Deferred Tax Liabilities, Undistributed Foreign Earnings $ 38,600    
Cumulative translation adjustment (1,200) $ (900)  
Contributions to 401(k) during the period 800 700 $ 600
Other than temporary impairment of cost based investments $ 0 $ 0 $ 4,263
Top ten customers | Net sales      
Significant Accounting Policies [Line Items]      
Customer concentration risk, percentage 47.00% 51.00% 40.00%
Individually significant customer | Net sales      
Significant Accounting Policies [Line Items]      
Customer concentration risk, percentage 12.00%    
Individually Significant Customer2 [Member] | Net sales      
Significant Accounting Policies [Line Items]      
Customer concentration risk, percentage 11.00%    
Individually Significant Customer3 [Member] | Net sales      
Significant Accounting Policies [Line Items]      
Customer concentration risk, percentage   15.00%  
Minimum | Patents      
Significant Accounting Policies [Line Items]      
Estimated useful life of intangible assets 9 years    
Minimum | Other intangible assets      
Significant Accounting Policies [Line Items]      
Estimated useful life of intangible assets 1 year    
Maximum | Patents      
Significant Accounting Policies [Line Items]      
Estimated useful life of intangible assets 17 years    
Maximum | Other intangible assets      
Significant Accounting Policies [Line Items]      
Estimated useful life of intangible assets 10 years    
Omni Guide, Inc. | Class D Preferred Stock      
Significant Accounting Policies [Line Items]      
Minority equity investment    
Omni Guide, Inc. | Class E Preferred Stock      
Significant Accounting Policies [Line Items]      
Minority equity investment    
SINGAPORE      
Significant Accounting Policies [Line Items]      
Deferred Tax Liabilities, Undistributed Foreign Earnings   $ 37,000