GOODWILL AND INTANGIBLE ASSETS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Oct. 31, 2014
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 491,462
Acquisitions	2,617
Foreign currency translation	(8,531)
Goodwill, Ending Balance	485,548
Life Sciences [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	269,758
Acquisitions	0
Foreign currency translation	(6,987)
Goodwill, Ending Balance	262,771
Industrial [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	221,704
Acquisitions	2,617
Foreign currency translation	(1,544)
Goodwill, Ending Balance	$ 222,777