Property, Plant and Equipment (Tables)

12 Months Ended

Jul. 31, 2016

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

July 31 (in thousands)	2016			2015
Equipment	$	74,030		$	77,126
Land and buildings		61,407			60,703
Computer software		67,651			59,839
Leasehold improvements		1,745			1,739
Furniture and fixtures		1,473			3,869
		206,306			203,276
Less accumulated depreciation and amortization		(118,932	)		(111,960	)
Property, plant and equipment, net	$	87,374		$	91,316