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Note 5 - Accounts and Other Receivables, Net (Details) | 12 Months Ended
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Mar. 30, 2014
Receivables [Abstract] |
Accounts Receivable Payment Terms | 30 days

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

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