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Long-Term Debt and Lines of Credit (Tables) | 9 Months Ended
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Jan. 27, 2013
Summary of Long-Term Debt and Lines of Credit | A summary of long-term debt and lines of credit follows:
(dollars in thousands) |  | January 27, 2013 |  |  | April 29, 2012 |
Unsecured senior term notes |  | $ | 6,600 |  |  | $ | 8,800 |
Canadian government loan |  |  | 166 |  |  |  | 323 |
|  |  | 6,766 |  |  |  | 9,123 |
Current maturities of long-term debt |  |  | (2,366 | ) |  |  | (2,404 | )
Long-term debt, less current maturities of long-term debt |  | $ | 4,400 |  |  | $ | 6,719 |

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