GOODWILL AND INTANGIBLE ASSETS (Tables)

6 Months Ended

Jan. 31, 2015

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 / other	(18,572		)	(5,864		)	(24,436		)
Balance at January 31, 2015	$	251,186		$	218,457		$	469,643

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:

January 31, 2015	Gross		Accumulated Amortization		Net
Patents and unpatented technology	$	158,103	$	68,661	$	89,442
Customer-related intangibles	158,372		38,854		119,518
Trademarks	16,473		7,593		8,880
Other	3,477		2,541		936
	$	336,425	$	117,649	$	218,776
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

Intangible assets were primarily impacted by changes in the foreign exchange rates used to translate intangible assets of foreign subsidiaries.