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Goodwill and Intangible Assets-Goodwill Rollforward (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Mar. 28, 2021 USD ($) Segment | Mar. 29, 2020 USD ($) | Mar. 31, 2019 USD ($)
Goodwill [Line Items] |  |  |
Number of Reportable Segments | Segment | 3 |  |
Goodwill | $ 70,720 | $ 58,440 | $ 58,440
Goodwill, Period Increase (Decrease) | 12,280 |  |
Industrial [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 6,495 | 6,495 | 6,495
Goodwill, Period Increase (Decrease) | 0 |  |
Water Treatment [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 19,280 | 7,000 | 7,000
Goodwill, Period Increase (Decrease) | 12,280 |  |
Health and Nutrition [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 44,945 | $ 44,945 | $ 44,945
Goodwill, Period Increase (Decrease) | $ 0 |  |

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