Intangible Assets, Net and Goodwill (Tables)

12 Months Ended

Jul. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets

Our intangible assets, net, consist of the following:

	July 31, 2020						July 31, 2019
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
Intangible assets with finite lives:
Customer relationships(1)	$	373,018	$	(79,386)	$	293,632	$	146,204	$	(54,866)	$	91,338
Technology(1)	91,613		(30,552)		61,061		60,032		(24,081)		35,951
Brand names(2)	8,721		(4,002)		4,719		8,361		(3,256)		5,105
Non-compete agreements(3)	2,850		(1,818)		1,032		2,880		(1,653)		1,227
Patents and other registrations(1)	2,637		(1,160)		1,477		2,866		(1,252)		1,614
	478,839		(116,918)		361,921		220,343		(85,108)		135,235
Trademarks, trade names and brand names	118,111		—		118,111		6,278		—		6,278
Total intangible assets	$	596,950	$	(116,918)	$	480,032	$	226,621	$	(85,108)	$	141,513

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(1)Weighted average amortization period remaining of 7 years.

(2)Weighted average amortization period remaining of 8 years.

(3)Weighted average amortization period remaining of 5 years.

Schedule of changes in goodwill

Goodwill changed during fiscal 2020 and 2019 as follows:

	Medical		Life Sciences		Dental		Dialysis		Total Goodwill
Balance, August 1, 2018	$	186,690	$	58,925	$	114,279	$	8,133	$	368,027
Acquisitions	—		6,137		11,340		—		17,477
Dispositions	—		(491)		—		—		$	(491)
Foreign currency translation	(6,493)		(90)		(321)		—		(6,904)
Balance, July 31, 2019	180,197		64,481		125,298		8,133		378,109
Acquisitions	—		—		275,944		—		275,944
Foreign currency translation	5,725		(87)		481		—		6,119
Balance, July 31, 2020	$	185,922	$	64,394	$	401,723	$	8,133	$	660,172