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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

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB
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X

- Definition

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+ References

No definition available.

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- Definition

Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

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