Property, Plant and Equipment (Tables)

12 Months Ended

Jul. 31, 2012

Schedule of Property, Plant and Equipment

Property, plant and equipment consist of the following:

July 31 (in thousands)	2012			2011
Equipment	$	431,709		$	434,929
Land and buildings		55,397			55,727
Computer software		96,750			92,636
Leasehold improvements		45,109			45,118
Furniture and fixtures		6,404			6,524
		635,369			634,934
Less accumulated depreciation and amortization		(549,802	)		(544,463	)
Property, plant and equipment, net	$	85,567		$	90,471