Intangibles, Net (Tables)

12 Months Ended

Jul. 31, 2016

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Schedule of intangible assets

The following table sets forth amortizable intangible assets by major asset class:

	Gross Carrying Amount				Accumulated Amortization						Net Book Value				Weighted Average Remaining Useful Life (in years)
	July 31,				July 31,						July 31,				July 31,
(In thousands, except remaining useful life)	2016		2015		2016			2015			2016		2015		2016	2015
Amortized intangibles:
Covenants not to compete	$	1,702	$	1,691	$	(1,235	)	$	(900	)	$	467	$	791	2	3
Supply contracts and customer relationships	26,471		27,506		(17,052		)	(13,551		)	9,419		13,955		3	4
Trade names	5,163		5,129		(3,423		)	(2,467		)	1,740		2,662		2	3
Licenses and databases	2,488		2,498		(2,353		)	(2,049		)	135		449		1	2
Intangibles, net	$	35,824	$	36,824	$	(24,063	)	$	(18,967	)	$	11,761	$	17,857

Schedule of aggregate amortization expense on intangible assets

Intangible amortization expense for the next five fiscal years based upon July 31, 2016 intangible assets is expected to be as follows:

(In thousands)
2017	$	5,428
2018	4,377
2019	832
2020	545
2021	265
Thereafter	314
Total future intangible amortization expense	$	11,761