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Investments (Details 3) - USD ($) $ in Thousands | Dec. 29, 2018 | Mar. 31, 2018
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Contractual Maturity of Investment Securities |  |
Due in less than one year, Amortized Cost | $ 695 |
Due after one year through five years, Amortized Cost | 3,722 |
Due after five years through ten years, Amortized Cost | 0 |
Due after ten years, Amortized Cost | 2,794 |
Debt Securities without Single Maturity Date, Amortized Cost | 7,417 |
Debt Securities, Amortized Cost Basis | 14,628 | $ 16,412
Due in less than one year, Fair Value | 682 |
Due after one year through five years, Fair Value | 3,610 |
Due after five years through ten years, Fair Value | 0 |
Due after ten years, Fair Value | 2,885 |
Debt Securities without Single Maturity Date, Fair Value | 7,268 |
Debt Securities, Available-for-sale | $ 14,445 | $ 16,181

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- Definition Amortized cost of investment in debt security, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in rolling sixth through tenth fiscal year following latest fiscal year. For interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
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