Summary of Restructuring Accrual by Reportable Segment (Detail) $ in Thousands	9 Months Ended
	Apr. 30, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Accrued restructuring, beginning balance	$ 1,528
Restructuring charges	1,555
Restructuring adjustments	(126)
Cash paid	(2,521)
Non-cash adjustments	18
Accrued restructuring, ending balance	454
Americas
Restructuring Cost and Reserve [Line Items]
Accrued restructuring, beginning balance	235
Restructuring charges	920
Cash paid	(831)
Accrued restructuring, ending balance	324
Asia
Restructuring Cost and Reserve [Line Items]
Accrued restructuring, beginning balance	253
Restructuring charges	535
Restructuring adjustments	(46)
Cash paid	(669)
Non-cash adjustments	(8)
Accrued restructuring, ending balance	65
Europe
Restructuring Cost and Reserve [Line Items]
Accrued restructuring, beginning balance	1,026
Restructuring charges	96
Restructuring adjustments	(80)
Cash paid	(1,017)
Non-cash adjustments	26
Accrued restructuring, ending balance	51
e-Business Services
Restructuring Cost and Reserve [Line Items]
Accrued restructuring, beginning balance	14
Restructuring charges	4
Cash paid	(4)
Accrued restructuring, ending balance	$ 14