RESTRUCTURING - Additional Information (Detail) (USD $)	3 Months Ended																		12 Months Ended
	Jan. 31, 2012		Oct. 31, 2011		Jul. 31, 2011		Jan. 31, 2011		Oct. 31, 2010		Jul. 31, 2010		Apr. 30, 2010		Jan. 31, 2010		Oct. 31, 2009		Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010		Jul. 31, 2009		Jul. 31, 2009 Other Comprehensive Income (Loss) [Member]	Jul. 31, 2008 Other Comprehensive Income (Loss) [Member]	Jul. 31, 2012 Reduction of Workforce [Member]	Jul. 31, 2011 Reduction of Workforce [Member]	Jul. 31, 2009 Reduction of Workforce [Member] Employees	Jul. 31, 2012 Changes in Lease Obligations [Member]	Jul. 31, 2011 Changes in Lease Obligations [Member]	Jul. 31, 2009 Facility Closing [Member]	Jul. 31, 2012 Americas [Member] Employees	Jul. 31, 2011 Americas [Member] Employees	Jul. 31, 2010 Americas [Member]	Jul. 31, 2009 Americas [Member]	Jul. 31, 2012 Asia [Member] Employees	Jul. 31, 2011 Asia [Member] Employees	Jul. 31, 2010 Asia [Member]	Jul. 31, 2009 Asia [Member]	Jul. 31, 2012 Europe [Member] Employees	Jul. 31, 2011 Europe [Member]	Jul. 31, 2010 Europe [Member]	Jul. 31, 2009 Europe [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charge	$ 4,597,000	[1]	$ 755,000	[1]	$ (406,000)	[1]	$ 412,000	[1]	$ 789,000	[1]	$ (1,858,000)	[1]	$ 836,000	[1]	$ (18,000)	[1]	$ 75,000	[1]	$ 7,455,000	$ 795,000	$ (965,000)	[1]	$ 19,341,000	[1]			$ 6,200,000	$ 1,200,000	$ 15,800,000	$ 300,000	$ (400,000)	$ 5,600,000
Contractual obligation																			1,500,000
Number of workforce reduction																													550				357	55			357	55			357
Impairment of fixed assets																																400,000
Set off of restructuring charges																							2,400,000
Reduction in accrued restructuring																			$ (300,000)	$ (304,000)	$ (1,709,000)		$ (2,420,000)		$ 200,000	$ 300,000							$ (94,000)	$ (303,000)	$ 367,000	$ 165,000	$ (56,000)	$ (7,000)	$ (108,000)	$ (163,000)	$ (85,000)	$ 6,000	$ (1,929,000)	$ (2,422,000)

[1] As Restated