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