Note B - Summary of Significant Accounting Policies - Summary of Franchise Openings and Closings for the Nathan's Franchise Restaurant System (Details) |
12 Months Ended | |
|---|---|---|
Mar. 30, 2025 |
Mar. 31, 2024 |
|
| Franchised restaurants operating at the beginning of the period | 230 | |
| New franchised restaurants opened during the period | 25 | |
| Franchised restaurants closed during the period | (25) | |
| Franchised restaurants operating at the end of the period | 230 | 230 |
| Franchised Units [Member] | ||
| Franchised restaurants operating at the beginning of the period | 230 | 232 |
| New franchised restaurants opened during the period | 17 | |
| Franchised restaurants closed during the period | (19) | |
| Franchised restaurants operating at the end of the period | 230 | 230 |