Goodwill and Other Intangible Assets Schedule of Goodwill (Tables)

12 Months Ended

Jul. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

Changes in the carrying amount of goodwill by reportable segment for the years ended July 31, 2019 and 2018, were as follows:

	IDS			WPS			Total
Balance as of July 31, 2017	$	391,864		$	45,833		$	437,697
Translation adjustments	(6,340		)	(1,487		)	(7,827		)
Divestiture	—			(10,055		)	(10,055		)
Balance as of July 31, 2018	$	385,524		$	34,291		$	419,815
Translation adjustments	(6,519		)	(2,309		)	(8,828		)
Balance as of July 31, 2019	$	379,005		$	31,982		$	410,987