GOODWILL AND INTANGIBLE ASSETS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 342,492	$ 338,941
Acquisitions	150,749
Foreign currency translation	(1,779)	3,551
Goodwill, Ending Balance	491,462	342,492
Life Sciences [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	180,896	178,359
Acquisitions	91,121
Foreign currency translation	(2,259)	2,537
Goodwill, Ending Balance	269,758	180,896
Industrial [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	161,596	160,582
Acquisitions	59,628
Foreign currency translation	480	1,014
Goodwill, Ending Balance	$ 221,704	$ 161,596