Intangibles and Goodwill (Tables)

9 Months Ended

Apr. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets

Our intangible assets consist of the following:

	April 30, 2020						July 31, 2019
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Intangible assets with finite lives:
Customer relationships	$	370,370	$	(71,389)	$	298,981	$	146,204	$	(54,866)	$	91,338
Technology	90,296		(28,408)		61,888		60,032		(24,081)		35,951
Brand names	8,364		(3,800)		4,564		8,361		(3,256)		5,105
Non-compete agreements	2,850		(1,769)		1,081		2,880		(1,653)		1,227
Patents and other registrations	2,560		(1,027)		1,533		2,866		(1,252)		1,614
	474,440		(106,393)		368,047		220,343		(85,108)		135,235
Trademarks and tradenames	118,278		—		118,278		6,278		—		6,278
Total intangible assets	$	592,718	$	(106,393)	$	486,325	$	226,621	$	(85,108)	$	141,513

Schedule of changes in goodwill

Goodwill changed during the nine months ended April 30, 2020 as follows:

	Medical		Life Sciences		Dental		Dialysis		Total
Balance, July 31, 2019	$	180,197	$	64,481	$	125,298	$	8,133	$	378,109
Acquisitions	—		—		277,126		—		277,126
Foreign currency translation	(1,061)		(283)		(265)		—		(1,609)
Balance, April 30, 2020	$	179,136	$	64,198	$	402,159	$	8,133	$	653,626