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Note 2 - Summary of Significant Accounting Policies (Details) - Summary of Franchise Openings and Closings for the Nathan’s Franchise Restaurant System | Mar. 30, 2014 | Mar. 31, 2013 | Mar. 25, 2012
--- | --- | --- | ---
Franchised Restaurants Operating Beginning of Period [Member] |  |  |
Franchisor Disclosure [Line Items] |  |  |
Restaurants | 303 | 299 | 264
New Franchised Restaurants Opened During Period [Member] |  |  |
Franchisor Disclosure [Line Items] |  |  |
Restaurants | 56 | 40 | 67
Franchised Restaurants Closed During Period [Member] |  |  |
Franchisor Disclosure [Line Items] |  |  |
Restaurants | (35) | (36) | (32)
Franchised Restaurants Operating End of Period [Member] |  |  |
Franchisor Disclosure [Line Items] |  |  |
Restaurants | 324 | 303 | 299

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

X
- Definition Represents the number of restaurants. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant