GOODWILL AND INTANGIBLE ASSETS (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Apr. 30, 2015
Goodwill [Roll Forward]
Balance at July 31, 2014	$ 491,462us-gaap_Goodwill
Acquisitions	11,729us-gaap_GoodwillAcquiredDuringPeriod
Foreign currency translation / other	(26,473)us-gaap_GoodwillTranslationAdjustments
Balance at April 30, 2015	476,718us-gaap_Goodwill
Life Sciences [Member]
Goodwill [Roll Forward]
Balance at July 31, 2014	269,758
Acquisitions	9,112
Foreign currency translation / other	(20,154)
Balance at April 30, 2015	258,716
Industrial [Member]
Goodwill [Roll Forward]
Balance at July 31, 2014	221,704
Acquisitions	2,617
Foreign currency translation / other	(6,319)
Balance at April 30, 2015	$ 218,002

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

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Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

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