Total Assets of Continuing Operations (Detail) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013	Jul. 31, 2012
Segment Reporting Information [Line Items]
Total assets of continuing operations	$ 335,786	$ 342,571
Total assets	358,325	358,882
Corporate-Level Activity
Segment Reporting Information [Line Items]
Total assets	22,256	16,311
Americas
Segment Reporting Information [Line Items]
Total assets of continuing operations	92,334	101,931
Asia
Segment Reporting Information [Line Items]
Total assets of continuing operations	105,594	111,660
Europe
Segment Reporting Information [Line Items]
Total assets of continuing operations	116,850	105,472
TFL
Segment Reporting Information [Line Items]
Total assets of continuing operations		2,750
All Others
Segment Reporting Information [Line Items]
Total assets of continuing operations	$ 21,008	$ 20,758