Commitments (Tables)

12 Months Ended

Jul. 31, 2016

Disclosure Text Block Supplement [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Minimum future annual rentals under all non-cancellable operating leases, net of sublease rental income of $323, as of July 31, 2016, are as follows:

Years ended July 31,
2017	$	7,256
2018		7,003
2019		6,208
2020		4,244
2021		2,160
Thereafter		10,062
	$	36,933