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Note I - Sales | 6 Months Ended
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Sep. 24, 2017
Notes to Financial Statements |
Sales [Text Block] | N OTE I – SALES The Company ’s sales for the thirteen and twenty-six weeks ended September 24, 2017 and September 25, 2016 are as follows (in thousands):
|  | Thirteen weeks ended |  |  | Twenty-six weeks ended |
|  | September 24, 2017 |  |  | September 25, 2016 |  |  | September 24, 2017 |  |  | September 25, 2016 |
Branded products |  | $ | 18,130 |  |  | $ | 15,227 |  |  | $ | 36,067 |  |  | $ | 31,481 |
Company-operated restaurants |  |  | 6,397 |  |  |  | 6,615 |  |  |  | 10,805 |  |  |  | 11,458 |
Other |  |  | - |  |  |  | 49 |  |  |  | - |  |  |  | 214 |
Total sales |  | $ | 24,527 |  |  | $ | 21,891 |  |  | $ | 46,872 |  |  | $ | 43,153 |

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- Definition The entire disclosure for sales. + References No definition available. + Details
Name: | nath_SalesTextBlock
Namespace Prefix: | nath_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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