RESTRUCTURING AND OTHER CHARGES, NET (Details 1) (USD $) In Thousands	12 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2009
Reversal of excess reserves	$ 26	$ 237	$ 164
Severance [Member] | Restrcturing Liabilty 2009 [Member]
Original charge			18,938
Utilized	(845)	(4,902)	(12,757)
Reversal of excess reserves	6	143
Translation	120	(86)	412
Ending Balance	731	1,462	6,593
Severance [Member] | Restrcturing Liabilty 2010 [Member]
Original charge		6,034
Utilized	(1,356)	(2,031)
Translation	2	1
Ending Balance	2,650	4,004
Severance [Member] | Restrcturing Liabilty 2011 [Member]
Original charge	4,863
Utilized	(1,817)
Translation	272
Ending Balance	3,318
Other [Member] | Restrcturing Liabilty 2009 [Member]
Original charge			4,734
Utilized	(6)	(588)	(4,133)
Translation	0	(27)	20
Ending Balance	0	6	621
Other [Member] | Restrcturing Liabilty 2010 [Member]
Original charge		5,581
Utilized	(135)	(5,441)
Translation	4	(9)
Ending Balance	0	131
Other [Member] | Restrcturing Liabilty 2011 [Member]
Original charge	5,507
Utilized	(5,225)
Translation	68
Ending Balance	350
Restrcturing Liabilty 2009 [Member]
Original charge			23,672
Utilized	(851)	(5,490)	(16,890)
Reversal of excess reserves	6	143
Translation	120	(113)	432
Ending Balance	731	1,468	7,214
Restrcturing Liabilty 2010 [Member]
Original charge		11,615
Utilized	(1,491)	(7,472)
Translation	6	(8)
Ending Balance	2,650	4,135
Restrcturing Liabilty 2011 [Member]
Original charge	10,370
Utilized	(7,042)
Translation	340
Ending Balance	$ 3,668