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Note F - Accounts and Other Receivables, Net (Details Textual) | 9 Months Ended
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Dec. 28, 2014
Receivables [Abstract] |
Accounts Receivable Payment Terms | 30 days

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- Definition Nathan's standard payment terms. + References No definition available. + Details
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Namespace Prefix: | nath_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration