Property, Plant And Equipment (Tables)

12 Months Ended

Aug. 31, 2015

Property, Plant And Equipment [Abstract]

Schedule Of Property, Plant And Equipment

	August, 31
$ in thousands	2015		2014
Operating property, plant and equipment:
Land	$	4,721	$	3,315
Buildings		44,032		38,573
Equipment		100,254		91,254
Other		9,135		14,946
Total operating property, plant and equipment		158,142		148,088
Accumulated depreciation		(88,750)		(83,674)
Total operating property, plant and equipment, net	$	69,392	$	64,414
Property held for lease:
Machines		5,769		4,395
Barriers		17,687		17,213
Total property held for lease	$	23,456	$	21,608
Accumulated depreciation		(14,192)		(13,565)
Total property held for lease, net	$	9,264	$	8,043
Property, plant and equipment, net	$	78,656	$	72,457