RESTRUCTURING AND OTHER CHARGES, NET (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jan. 31, 2012		Jan. 31, 2011		Jan. 31, 2012		Jan. 31, 2011
Restructuring and other gains charges [Line Items]
Severance benefits and other employment contract obligations	$ 3,756		$ 3,453		$ 37,134		$ 3,453
Gain on sale of assets	0				(10,711)
Professional fees and other costs, net of receipt of insurance claim payments	2,057		686		2,420		2,101
Environmental matters			650				650
Reversal of excess restructuring reserves	0		0		(46)		(6)
Cash	5,444		4,789		26,260		6,198
Non-cash	369	[1]	0		2,537	[1]	0
Restructuring And Other Gains Charges	5,813		4,789		28,797		6,198
Other (Gains)/Charges [Member]
Restructuring and other gains charges [Line Items]
Severance benefits and other employment contract obligations	862	[2]	0	[2]	8,832	[2]	0
Gain on sale of assets	0	[2]			(9,196)	[2]
Professional fees and other costs, net of receipt of insurance claim payments	1,466	[2]	(1,023)	[2]	1,054	[2]	(619)
Environmental matters			650	[2]			650
Reversal of excess restructuring reserves	0	[2]	0	[2]	0	[2]	0
Cash	1,959	[2]	(373)		(1,847)	[2]	31
Non-cash	369	[1],[2]	0	[2]	2,537	[1],[2]	0
Restructuring And Other Gains Charges	2,328		(373)	[2]	690		31
Restructuring Charges [Member]
Restructuring and other gains charges [Line Items]
Severance benefits and other employment contract obligations	2,894	[3]	3,453	[3]	28,302	[3]	3,453	[3]
Gain on sale of assets	0	[3]			(1,515)	[3]
Professional fees and other costs, net of receipt of insurance claim payments	591	[3]	1,709	[3]	1,366	[3]	2,720	[3]
Environmental matters			0	[3]			0	[3]
Reversal of excess restructuring reserves	0	[3]	0	[3]	(46)	[3]	(6)	[3]
Cash	3,485	[3]	5,162		28,107	[3]	6,167	[3]
Non-cash	0	[1],[3]	0	[3]	0	[1],[3]	0	[3]
Restructuring And Other Gains Charges	$ 3,485		$ 5,162	[3]	$ 28,107		$ 6,167	[3]

[1] Reflects non-cash stock based compensation expense.

[2] Other (Gains) / Charges:Employment contract obligations and other severance benefits:In the three and six months ended January 31, 2012, the Company recorded charges related to certain employment contract obligations.Gain on sale of assets:The six months ended January 31, 2012 includes a gain of $9,196 on the sale of the Company's investment in Satair A/S.Professional fees and other costs:In the three and six months ended January 31, 2012 and January 31, 2011, the Company recorded legal and other professional fees related to the Federal Securities Class Actions, Shareholder Derivative Lawsuits and Other Proceedings (see Note 5, Contingencies and Commitments) which pertain to matters that had been under audit committee inquiry as discussed in Note 2, Audit Committee Inquiry and Restatement, to the consolidated financial statements included in the Company’s Annual Report on Form 10-K for the fiscal year ended July 31, 2007 (“2007 Form 10-K”). Furthermore, in the three months ended January 31, 2012, the Company recorded costs related to the settlement of the Federal Securities Class Actions (see Note 5, Contingencies and Commitments). The receipt of insurance claim payments partly offset the costs discussed above in the three and six months ended January 31, 2012 and more than offset such costs in the three and six months ended January 31, 2011.

[3] Restructuring: Restructuring charges recorded in the three and six months ended January 31, 2012 and January 31, 2011 reflect the expenses incurred in connection with the Company’s cost reduction initiatives. Severance benefits recorded in the three and six months ended January 31, 2012 primarily relate to global restructuring activities in the Industrial segment. The most significant restructuring activities include:•the realignment of sales and marketing management of certain of the Company’s markets,•the reorganization of the global management structure that supports the Company’s systems product line, and•shifting resources from mature country markets to emerging regions.Restructuring charges/(income) in the six months ended January 31, 2012 also includes a gain of $1,515 on the divestiture of a non-strategic asset group.Severance benefits recorded in the three and six months ended January 31, 2011 primarily relate to the closure of an Industrial manufacturing facility in Europe.