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Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Jun. 29, 2019 | Jun. 30, 2018
Statement of Comprehensive Income [Abstract] |  |
Net income (loss) | $ 4,618 | $ (4,272)
Other comprehensive income (loss), before tax |  |
Foreign currency translation gain (loss) | 24 | (2,190)
Unrealized gain on marketable securities | 2,115 | 41
Cumulative effect of adoption of ASU 2018-02 | (257) | 0
Provision for income taxes | (444) | (8)
Comprehensive income (loss) | $ 6,056 | $ (6,429)

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