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v3.21.1

Commitment and Contingencies-Textual (Details) | 12 Months Ended
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Mar. 28, 2021 lease
Commitments and Contingencies Disclosure [Abstract] |
Number of Leases | 3

X
- Definition Number of Leases + References No definition available. + Details
Name: | hwkn_NumberOfLeases
Namespace Prefix: | hwkn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration