Summarized Financial Information of Continuing Operations by Operating Segment and Corporate-Level Activity (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Segment Reporting Information [Line Items]
Net revenue	$ 96,460	$ 106,234	$ 357,515	$ 441,988
Operating income (loss)	(12,497)	(7,552)	(26,967)	(5,759)
Total other expense	260	3,860	13,714	5,489
Loss before income taxes	(12,757)	(11,412)	(40,681)	(11,248)
Operating Segments
Segment Reporting Information [Line Items]
Operating income (loss)	(10,690)	(4,588)	(21,812)	3,113
Operating Segments | Americas
Segment Reporting Information [Line Items]
Net revenue	22,707	32,732	84,126	167,772
Operating income (loss)	(3,601)	(2,771)	(11,598)	(1,292)
Operating Segments | Asia
Segment Reporting Information [Line Items]
Net revenue	33,217	35,082	131,624	123,530
Operating income (loss)	(2,015)	895	1,031	8,925
Operating Segments | Europe
Segment Reporting Information [Line Items]
Net revenue	33,186	30,720	116,585	125,761
Operating income (loss)	(3,826)	(2,700)	(9,096)	(5,030)
Operating Segments | e-Business Services
Segment Reporting Information [Line Items]
Net revenue	7,350	7,700	25,180	24,925
Operating income (loss)	(1,248)	(12)	(2,149)	510
Corporate-level activity
Segment Reporting Information [Line Items]
Operating income (loss)	$ (1,807)	$ (2,964)	$ (5,155)	$ (8,872)