Property, Plant And Equipment (Tables)

12 Months Ended

Aug. 31, 2018

Property Plant And Equipment [Abstract]

Schedule Of Property, Plant And Equipment

	August 31,
($ in thousands)	2018			2017
Operating property, plant, and equipment:
Land	$	2,799		$	4,869
Buildings		37,220			49,977
Machinery and equipment		75,635			80,442
Furniture and fixtures		22,727			24,547
Construction in progress		6,733			3,004
Total operating property, plant, and equipment		145,114			162,839
Accumulated depreciation		(98,191	)		(99,912	)
Total operating property, plant, and equipment, net	$	46,923		$	62,927
Property held for lease:
Machines	$	8,214		$	7,833
Barriers		18,122			18,468
Total property held for lease		26,336			26,301
Accumulated depreciation		(16,011	)		(14,730	)
Total property held for lease, net	$	10,325		$	11,571
Property, plant, and equipment, net	$	57,248		$	74,498