Goodwill

6 Months Ended

Mar. 31, 2012

Goodwill

4. Goodwill

The components of the Company’s goodwill by business segment at March 31, 2012 are as follows (in thousands):

	Brooks Products Solutions			Brooks Global Services			Brooks Life Science Systems		Contract Manufacturing			Other			Total
Gross goodwill at September 30, 2011	$	485,844		$	151,238		$	36,589	$	18,593		$	7,421		$	699,685
Less: aggregate impairment charges recorded		(437,706	)		(151,238	)		—		(18,593	)		(7,421	)		(614,958	)
Goodwill, less accumulated impairments at September 30, 2011	$	48,138		$	—		$	36,589	$	—		$	—		$	84,727
Acquisitions and adjustments during the six months ended March 31, 2012		—			—			3,713		—			—			3,713
Goodwill, less accumulated impairments at March 31, 2012	$	48,138		$	—		$	40,302	$	—		$	—		$	88,440

Components of the Company’s identifiable intangible assets are as follows (in thousands):

	March 31, 2012						September 30, 2011
	Cost		Accumulated Amortization		Net Book Value		Cost		Accumulated Amortization		Net Book Value
Patents	$	7,808	$	7,041	$	767	$	7,808	$	6,989	$	819
Completed technology		54,553		40,917		13,636		50,975		39,235		11,740
Trademarks and trade names		4,013		3,838		175		3,941		3,719		222
Customer relationships		49,037		19,734		29,303		49,029		17,496		31,533
	$	115,411	$	71,530	$	43,881	$	111,753	$	67,439	$	44,314