Property, Plant, And Equipment (Tables)

3 Months Ended

Nov. 30, 2011

Property, Plant And Equipment [Abstract]

		September 30,			September 30,			September 30,
	November 30,			November 30,			August 31,
$ in thousands	2011			2010			2011
Operating property, plant and equipment:
Land	$	2,587		$	2,777		$	2,859
Buildings		28,760			28,521			29,372
Equipment		72,242			67,226			71,942
Other		6,230			4,619			5,521

Total operating property, plant and equipment		109,819			103,143			109,694
Accumulated depreciation		(66,009	)		(60,249	)		(65,083	)

Total operating property, plant and equipment, net		43,810			42,894			44,611

Property held for lease:
Machines		3,903			3,852			3,907
Barriers		17,833			16,633			18,198

Total property held for lease		21,736			20,485			22,105
Accumulated depreciation		(8,571	)		(6,585	)		(8,251	)

Total property held for lease, net		13,165			13,900			13,854


Property, plant and equipment, net	$	56,975		$	56,794		$	58,465

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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