Goodwill and Intangible Assets (Tables)

3 Months Ended

Oct. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill for the three months ended October 31, 2015, were as follows:

	IDS			WPS			Total
Balance as of July 31, 2015	$	382,786		$	50,413		$	433,199
Translation adjustments	(1,353		)	(874		)	$	(2,227	)
Balance as of October 31, 2015	$	381,433		$	49,539		$	430,972

Schedule of Other Intangible Assets

The net book value of these assets was as follows:

	October 31, 2015								July 31, 2015
	Weighted Average Amortization Period (Years)	Gross Carrying Amount		Accumulated Amortization			Net Book Value		Weighted Average Amortization Period (Years)	Gross Carrying Amount		Accumulated Amortization			Net Book Value
Amortized other intangible assets:
Patents	5	$	12,092	$	(10,760	)	$	1,332	5	$	12,073	$	(10,641	)	$	1,432
Trademarks and other	5	14,332		(13,076		)	1,256		5	14,375		(12,471		)	1,904
Customer relationships	7	136,108		(95,781		)	40,327		7	136,693		(94,537		)	42,156
Non-compete agreements and other	4	8,949		(8,927		)	22		4	9,076		(9,032		)	44
Unamortized other intangible assets:
Trademarks	N/A	23,305		—			23,305		N/A	23,352		—			23,352
Total		$	194,786	$	(128,544	)	$	66,242		$	195,569	$	(126,681	)	$	68,888