Goodwill and Acquired Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill And Acquired Intangible Assets

Goodwill and acquired intangible assets consisted of the following:

	September 30, 2012						September 30, 2011
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
	(in thousands)
Goodwill (not amortized)					$	610,347					$	613,394
Intangible assets with finite lives (amortized) (1):
Purchased software	$	177,166	$	127,250	49,916		$	178,388	$	112,555	65,833
Capitalized software	22,877		22,877		—		22,877		22,877		—
Customer lists and relationships	227,097		93,215		133,882		227,961		75,050		152,911
Trademarks and trade names	11,013		8,967		2,046		11,035		7,967		3,068
Other	3,437		3,396		41		3,506		3,301		205
	$	441,590	$	255,705	185,885		$	443,767	$	221,750	222,017
Total goodwill and acquired intangible assets					$	796,232					$	835,411

 (1)    The weighted average useful lives of purchased software, customer lists and relationships, trademarks and trade names and other intangible assets with a remaining net book value are 8 years, 10 years, 7 years and 4 years, respectively.

Schedule Of Movements in Goodwill by Reportable Segment

Changes in goodwill presented by reportable segment were as follows:

	Software Products Segment			Services Segment			Total
	(in thousands)
Balance, October 1, 2010	$	400,965		$	17,544		$	418,509
Acquisition of MKS	182,758			7,000			189,758
Acquisition of 4CS	9,071			442			9,513
Foreign currency translation adjustments	(4,351		)	(35		)	(4,386		)
Balance, September 30, 2011	588,443			24,951			613,394
Acquisition of 4CS	(950		)	—			(950		)
Foreign currency translation and other adjustments	(2,024		)	(73		)	(2,097		)
Balance, September 30, 2012	$	585,469		$	24,878		$	610,347

Amortization Of Intangible Assets

The aggregate amortization expense for intangible assets with finite lives recorded for the years ended September 30, 2012, 2011 and 2010 was reflected in our consolidated statements of operations as follows:

	Year ended September 30,
	2012		2011		2010
	(in thousands)
Amortization of acquired intangible assets	$	20,303	$	18,319	$	15,605
Cost of license revenue	15,819		15,393		18,367
Total amortization expense	$	36,122	$	33,712	$	33,972