Intangibles and Goodwill (Tables)

3 Months Ended

Oct. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets

Our intangible assets consist of the following:

	October 31, 2019							July 31, 2019
	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Intangible assets with finite lives:
Customer relationships	$	372,059	$	(58,109	)	$	313,950	$	146,204	$	(54,866	)	$	91,338
Technology	92,439		(25,669		)	66,770		60,032		(24,081		)	35,951
Brand names	8,619		(3,458		)	5,161		8,361		(3,256		)	5,105
Non-compete agreements	2,850		(1,671		)	1,179		2,880		(1,653		)	1,227
Patents and other registrations	2,407		(701		)	1,706		2,866		(1,252		)	1,614
	478,374		(89,608		)	388,766		220,343		(85,108		)	135,235
Trademarks and tradenames	118,111		—			118,111		6,278		—			6,278
Total intangible assets	$	596,485	$	(89,608	)	$	506,877	$	226,621	$	(85,108	)	$	141,513

Schedule of changes in goodwill

Goodwill changed during the three months ended October 31, 2019 as follows:

	Medical		Life Sciences		Dental			Dialysis		Total
Balance, July 31, 2019	$	180,197	$	64,481	$	125,298		$	8,133	$	378,109
Acquisitions	—		—		276,483			—		276,483
Foreign currency translation	1,652		39		(888		)	—		803
Balance, October 31, 2019	$	181,849	$	64,520	$	400,893		$	8,133	$	655,395