Property, Plant And Equipment (Tables)

12 Months Ended

Aug. 31, 2017

Property, Plant And Equipment [Abstract]

Schedule Of Property, Plant And Equipment

	August 31,
($ in thousands)	2017		2016
Operating property, plant, and equipment:
Land	$	4,869	$	4,817
Buildings		49,977		48,417
Machinery and equipment		80,442		73,185
Furniture and fixtures		24,547		24,787
Construction in progress		3,004		8,316
Total operating property, plant, and equipment		162,839		159,522
Accumulated depreciation		(99,912)		(90,210)
Total operating property, plant, and equipment, net	$	62,927	$	69,312
Property held for lease:
Machines	$	7,833	$	6,868
Barriers		18,468		16,306
Total property held for lease		26,301	$	23,174
Accumulated depreciation		(14,730)		(14,859)
Total property held for lease, net	$	11,571	$	8,315
Property, plant, and equipment, net	$	74,498	$	77,627