Goodwill and Other Intangible Assets Schedule of Goodwill (Tables)

12 Months Ended

Jul. 31, 2017

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, 2017 and 2016, were as follows:

	IDS		WPS			Total
Balance as of July 31, 2015	$	382,786	$	50,413		$	433,199
Translation adjustments	1,743		(5,071		)	(3,328		)
Balance as of July 31, 2016	$	384,529	$	45,342		$	429,871
Translation adjustments	4,845		2,981			7,826
Realignment of businesses between segments	$	2,490	$	(2,490	)	$	—
Balance as of July 31, 2017	$	391,864	$	45,833		$	437,697