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SEGMENT INFORMATION (Operating information by segment) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 30, 2017 | Dec. 31, 2016
Net revenue: |  |
Net revenue | $ 213,691 | $ 149,639
Cost of sales : |  |
Cost of sales | 114,652 | 81,321
Gross profit : |  |
Gross profit | 99,039 | 68,318
Operating expenses: |  |
Operating expenses | 60,468 | 51,037
Income from operations: |  |
Income from operations | 38,571 | 17,281
Aftermarket Products and Services (APS) [Member] |  |
Net revenue: |  |
Net revenue | 42,088 | 35,365
Income from operations: |  |
Income from operations | 9,178 | 6,913
Capital Equipment [Member] |  |
Net revenue: |  |
Net revenue | 171,603 | 114,274
Income from operations: |  |
Income from operations | $ 29,393 | $ 10,368

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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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