BUSINESS COMBINATION Pro Forma Information (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended	3 Months Ended
Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015
Business Acquisition [Line Items]
Revenue	$ 145,915	$ 133,710	$ 278,948	$ 232,636
Net income (loss)	7,576	5,976	10,436	1,279
Basic income per common share (usd per share)	$ 0.10	$ 0.08	$ 0.14	$ 0.02
Diluted income per common share (usd per share)	$ 0.10	$ 0.08	$ 0.13	$ 0.02
Assembléon B.V. [Member]
Business Acquisition [Line Items]
Revenue					16,900
Net income (loss)					$ (3,900)

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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+ References

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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