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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Goodwill and Intangible Assets (Details Textual) - USD ($) $ in Thousands	Sep. 26, 2021	Mar. 28, 2021
Goodwill [Line Items]
Goodwill	$ 72,417	$ 70,720
Health and Nutrition [Member]
Goodwill [Line Items]
Goodwill	44,900
Water Treatment [Member]
Goodwill [Line Items]
Goodwill	21,000
Industrial [Member]
Goodwill [Line Items]
Goodwill	$ 6,500