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SEGMENT INFORMATION (Operating information by segment) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Dec. 28, 2013 | Dec. 29, 2012
Net revenue: |  |
Net revenue | $ 79,113 | $ 114,039
Cost of sales : |  |
Cost of sales | 40,748 | 62,514
Gross profit : |  |
Gross profit | 38,365 | 51,525
Operating expenses: |  |
Operating expenses | 40,573 | 47,320
Income from operations: |  |
Income from operations | (2,208) | 4,205
Equipment [Member] |  |
Net revenue: |  |
Net revenue | 63,145 | 99,902
Cost of sales : |  |
Cost of sales | 34,473 | 56,432
Gross profit : |  |
Gross profit | 28,672 | 43,470
Operating expenses: |  |
Operating expenses | 35,552 | 41,725
Income from operations: |  |
Income from operations | (6,880) | 1,745
Expendable Tools [Member] |  |
Net revenue: |  |
Net revenue | 15,968 | 14,137
Cost of sales : |  |
Cost of sales | 6,275 | 6,082
Gross profit : |  |
Gross profit | 9,693 | 8,055
Operating expenses: |  |
Operating expenses | 5,021 | 5,595
Income from operations: |  |
Income from operations | $ 4,672 | $ 2,460

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