RESTRUCTURING AND OTHER CHARGES, NET (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010		Jul. 31, 2009
Restructuring Reserve [Roll Forward]
Reversal of excess reserves	$ 77	$ 26	$ 237
Restructuring Liabilty 2012 [Member]
Restructuring Reserve [Roll Forward]
Original charge	65,300
Utilized	(30,163)
Translation	(170)
Ending Balance	34,967
Restructuring Liabilty 2011 [Member]
Restructuring Reserve [Roll Forward]
Original charge		10,370
Utilized	(3,549)	(7,042)
Translation	(119)	340
Ending Balance	0	3,668
Restructuring Liabilty 2010 [Member]
Restructuring Reserve [Roll Forward]
Original charge			11,615	[1]
Utilized	(1,678)	(1,491)	(7,472)
Translation	0	6	(8)
Ending Balance	972	2,650	4,135
Restructuring Liabilty 2009 [Member]
Restructuring Reserve [Roll Forward]
Original charge					23,672
Utilized	(341)	(851)	(5,490)		(16,890)
Reversal of excess reserves	(46)	(6)	(143)
Translation	(71)	120	(113)		432
Ending Balance	273	731	1,468		7,214
Severance [Member] | Restructuring Liabilty 2012 [Member]
Restructuring Reserve [Roll Forward]
Original charge	61,852
Utilized	(27,365)
Translation	(123)
Ending Balance	34,364
Severance [Member] | Restructuring Liabilty 2011 [Member]
Restructuring Reserve [Roll Forward]
Original charge		4,863
Utilized	(3,199)	(1,817)
Translation	(119)	272
Ending Balance	0	3,318
Severance [Member] | Restructuring Liabilty 2010 [Member]
Restructuring Reserve [Roll Forward]
Original charge			6,034	[1]
Utilized	(1,678)	(1,356)	(2,031)
Translation	0	2	1
Ending Balance	972	2,650	4,004
Severance [Member] | Restructuring Liabilty 2009 [Member]
Restructuring Reserve [Roll Forward]
Original charge					18,938
Utilized	(341)	(845)	(4,902)		(12,757)
Reversal of excess reserves	(46)	(6)	(143)
Translation	(71)	120	(86)		412
Ending Balance	273	731	1,462		6,593
Other [Member] | Restructuring Liabilty 2012 [Member]
Restructuring Reserve [Roll Forward]
Original charge	3,448
Utilized	(2,798)
Translation	(47)
Ending Balance	603
Other [Member] | Restructuring Liabilty 2011 [Member]
Restructuring Reserve [Roll Forward]
Original charge		5,507
Utilized	(350)	(5,225)
Translation	0	68
Ending Balance	0	350
Other [Member] | Restructuring Liabilty 2010 [Member]
Restructuring Reserve [Roll Forward]
Original charge			5,581	[1]
Utilized	0	(135)	(5,441)
Translation	0	4	(9)
Ending Balance	0	0	131
Other [Member] | Restructuring Liabilty 2009 [Member]
Restructuring Reserve [Roll Forward]
Original charge					4,734
Utilized	0	(6)	(588)		(4,133)
Reversal of excess reserves	0	0	0
Translation	0	0	(27)		20
Ending Balance	$ 0	$ 0	$ 6		$ 621

[1] Excludes stock-based compensation expense of $603.