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GOODWILL AND INTANGIBLE ASSETS (Tables) | 3 Months Ended
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Jul. 28, 2012
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets | The following tables present details of the Company’s intangible assets:
|  | As of July 28, 2012
|  |  |  |  |  |  |  | Wtd. Avg.
|  |  |  |  |  |  |  | Remaining
|  |  |  | Accumulated |  |  |  | Amortization
|  | Gross |  | Amortization |  | Net |  | Periods (Years)
Customer relationships and agreements |  | $ | 14,995 |  |  | $ | 13,786 |  |  | $ | 1,209 |  |  | 11.4 |
Trade names, patents and technology licenses |  | 25,774 |  |  | 10,768 |  |  | 15,006 |  |  | 11.6 |
Covenants not to compete |  | 480 |  |  | 480 |  |  | — |  |  |
Total |  | $ | 41,249 |  |  | $ | 25,034 |  |  | $ | 16,215 |  |  |
|  | As of April 28, 2012
|  |  |  |  |  |  |  | Wtd. Avg.
|  |  |  |  |  |  |  | Remaining
|  |  |  | Accumulated |  |  |  | Amortization
|  | Gross |  | Amortization |  | Net |  | Periods (Years)
Customer relationships and agreements |  | $ | 14,995 |  |  | $ | 13,720 |  |  | $ | 1,275 |  |  | 11.7 |
Trade names, patents and technology licenses |  | 25,774 |  |  | 10,429 |  |  | 15,345 |  |  | 11.8 |
Covenants not to compete |  | 480 |  |  | 480 |  |  | — |  |  |
Total |  | $ | 41,249 |  |  | $ | 24,629 |  |  | $ | 16,620 |  |  |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | The estimated aggregate amortization expense for the current fiscal year and each of the four succeeding fiscal years is as follows:
2013 |  | $1,525
2014 |  | 1,481 |
2015 |  | 1,469 |
2016 |  | 1,317 |
2017 |  | 1,302 |

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- Definition Schedule Of Finite-Lived And Indefinite-Lived Intangible Assets [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References No definition available. + Details
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