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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	116,489	81,212
Gross profit :
Gross profit	97,202	68,427
Operating expenses:
Operating expenses	58,043	49,368
Income from operations:
Income from operations	39,159	19,059
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	$ 29,981	$ 12,146

X

- 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))
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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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-Name Accounting Standards Codification
-Topic 225
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-Section S99
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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
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