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Acquisition (Details) - USD ($)
 3 Months Ended 9 Months Ended
Dec. 07, 2018
Dec. 30, 2018
Dec. 30, 2018
Business Acquisition [Line Items]      
Consideration transferred   $ 750,000  
Amortization of Intangible Assets   3,105,000 $ 7,220,000
Expected amortization expense, remainder of fiscal year   1,766,000 1,766,000
Expected amortization expense, 2020   8,281,000 8,281,000
Expected amortization expense, 2021   8,023,000 8,023,000
Expected amortization expense, 2022   7,941,000 7,941,000
Expected amortization expense, 2023   5,689,000 5,689,000
ATS and ATL      
Business Acquisition [Line Items]      
Consideration transferred $ 750,000,000    
Payment to acquire business, gross $ 650,000,000    
Shares issued in business combination (usd per share) $ 84.92    
Shares issued in business combination, value $ 100,000,000    
Pre-tax transaction costs   10,192,000 12,360,000
Contribution of acquisition to net sales   26,795,000 26,795,000
Net loss   4,440,000 4,440,000
Estimated goodwill deductible for tax purposes   42,040,000 42,040,000
Fair value adjustment to inventory   3,747,000 4,000
ATS and ATL | Common Stock      
Business Acquisition [Line Items]      
Shares issued in business combination (in shares) 1,177,630    
ATS and ATL | Operating Expense      
Business Acquisition [Line Items]      
Pre-tax transaction costs   $ 10,192,000 $ 12,360,000