GOODWILL AND INTANGIBLE ASSETS (Tables)

3 Months Ended

Oct. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill, allocated by reportable segment

	Life Sciences			Industrial			Total
Balance at July 31, 2014	$	269,758		$	221,704		$	491,462
Acquisitions	—			2,617			2,617
Foreign currency translation	(6,987		)	(1,544		)	(8,531		)
Balance at October 31, 2014	$	262,771		$	222,777		$	485,548

Increase in acquisitions primarily related to working capital adjustment for acquisition of Filter Specialists, Inc.

Schedule of Intangible Assets

Intangible assets consist of the following:

October 31, 2014	Gross		Accumulated Amortization		Net
Patents and unpatented technology	$	163,125	$	67,618	$	95,507
Customer-related intangibles	162,679		36,506		126,173
Trademarks	16,763		7,379		9,384
Other	3,572		2,573		999
	$	346,139	$	114,076	$	232,063
July 31, 2014	Gross		Accumulated Amortization		Net
Patents and unpatented technology	$	165,727	$	66,126	$	99,601
Customer-related intangibles	165,759		33,845		131,914
Trademarks	16,971		7,130		9,841
Other	3,647		2,580		1,067
	$	352,104	$	109,681	$	242,423