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SEGMENT INFORMATION (Operating information by segment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Net revenue:
Net revenue	$ 268,834	$ 243,897	$ 704,297	$ 593,149
Income from operations:
Income from operations	64,463	15,672	142,058	71,234
Capital Equipment [Member]
Net revenue:
Net revenue	229,462	202,240	578,197	477,957
Income from operations:
Income from operations	57,771	30,982	116,615	73,836
Aftermarket Products and Services (APS) [Member]
Net revenue:
Net revenue	39,372	41,657	126,100	115,192
Income from operations:
Income from operations	$ 6,692	$ (15,310)	$ 25,443	$ (2,602)

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- Definition

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.

+ 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 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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