Other Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2012

Other Intangible Assets [Abstract]

Intangible assets balances, subject to amortization

	June 30, 2012								September 30, 2011
	Gross Carrying Value		Accumulated Amortization			Net Carrying Value			Gross Carrying Value			Accumulated Amortization			Net Carrying Value
Supply agreement
Balance, beginning of period	$	17,580	$	(6,052	)	$	11,528		$	17,580		$	(4,881	)	$	12,699
Amortization		—		(879	)		(879	)		—			(1,171	)		(1,171	)
Balance, end of period	$	17,580	$	(6,931	)	$	10,649		$	17,580		$	(6,052	)	$	11,528
Purchased technology
Balance, beginning of period	$	11,747	$	(7,759	)	$	3,988		$	10,272		$	(6,318	)	$	3,954
Acquisition		—		—			—			1,500			—			1,500
Amortization		—		(1,404	)		(1,404	)		—			(1,689	)		(1,689	)
Foreign currency translation		9		228			237			(25	)		248			223
Balance, end of period	$	11,756	$	(8,935	)	$	2,821		$	11,747		$	(7,759	)	$	3,988
Non-compete agreements
Balance, beginning of period	$	4,170	$	(4,170	)	$	—		$	5,365		$	(3,666	)	$	1,699
Amortization		—		—			—			—			(920	)		(920	)
Foreign currency translation		—		—			—			(35	)		—			(35	)
Impairment (a)		—		—			—			(1,160	)		416			(744	)
Balance, end of period	$	4,170	$	(4,170	)	$	—		$	4,170		$	(4,170	)	$	—
Trade name
Balance, beginning of period	$	1,098	$	(767	)	$	331		$	5,437		$	(938	)	$	4,499
Amortization		—		(147	)		(147	)		—			(583	)		(583	)
Foreign currency translation		—		95			95			(124	)		(1	)		(125	)
Impairment (a)		—		—			—			(4,215	)		755			(3,460	)
Balance, end of period	$	1,098	$	(819	)	$	279		$	1,098		$	(767	)	$	331
Total	$	34,604	$	(20,855	)	$	13,749		$	34,595		$	(18,748	)	$	15,847

(a) Represents an impairment charge recorded in fiscal 2011 related to the intangible assets of Powell Canada.