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Goodwill and Intangible Assets-Goodwill Rollforward (Details) $ in Thousands | 12 Months Ended
--- | ---
Apr. 01, 2018 USD ($) Segment | Apr. 02, 2017 USD ($)
Goodwill [Line Items] |  |
Number of Reportable Segments | Segment | 3 |
Goodwill, beginning of period | $ 97,556 | $ 97,724
Goodwill, Period Increase (Decrease) | (39,116) | (168)
Goodwill, end of period | 58,440 | 97,556
Industrial [Member] |  |
Goodwill [Line Items] |  |
Goodwill, beginning of period | 6,495 | 6,495
Goodwill, Period Increase (Decrease) | 0 | 0
Goodwill, end of period | 6,495 | 6,495
Water Treatment [Member] |  |
Goodwill [Line Items] |  |
Goodwill, beginning of period | 7,000 | 7,000
Goodwill, Period Increase (Decrease) | 0 | 0
Goodwill, end of period | 7,000 | 7,000
Health and Nutrition [Member] |  |
Goodwill [Line Items] |  |
Goodwill, beginning of period | 84,061 | 84,229
Goodwill, Period Increase (Decrease) | (39,116) | (168)
Goodwill, end of period | $ 44,945 | $ 84,061

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