PROPERTY, PLANT AND EQUIPMENT (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2011
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 1,650,274	$ 1,608,718
Less: Accumulated depreciation and amortization	(875,326)	(857,725)
Property, plant and equipment	774,948	750,993
Depreciation	86,428	82,852	75,283
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	47,234	48,607
Building and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	519,166	488,463
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	761,341	745,615
Information Technology Hardware and Software [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	221,504	229,438
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 101,029	$ 96,595