Intangible Assets and Goodwill

12 Months Ended

Mar. 31, 2012

Intangible Assets and Goodwill [Abstract]

Intangible Assets and Goodwill

(5) Intangible Assets and Goodwill

Intangible assets at March 31, 2012 and 2011 consisted of:

	March 31,
	2012				2011
	Gross Carrying Amount		Net Book Value		Gross Carrying Amount		Net Book Value
			(In millions)
Acquired technology	$	658.3	$	78.1	$	572.4	$	64.2
Customer relationships		441.9		177.7		255.6		36.7
Tradenames and trademarks		45.5		1.7		29.3		—
Total intangible assets	$	1,145.7	$	257.5	$	857.3	$	100.9

Amortization of acquired technology totaling $55.6 million, $45.5 million and $43.8 million was included in cost of license revenue in the consolidated statements of comprehensive income for fiscal 2012, 2011 and 2010, respectively. Amortization of other intangible assets is included in amortization of intangible assets in the consolidated statements of comprehensive income. The weighted average remaining life of acquired technology, customer relationships and trademarks and tradenames is approximately 4.1 years at March 31, 2012.

Future amortization expense associated with our intangible assets existing at March 31, 2012 is expected to be:

	Year Ending March 31,
	(In millions)
2013	$	82.8
2014		69.2
2015		46.1
2016		32.3
2017		27.1
	$	257.5

The following table summarizes goodwill activity and ending goodwill balances by operating segment:

	Enterprise Service Management			Mainframe Service Management			Total
				(In millions)
Balance at March 31, 2010	$	1,279.8		$	85.8		$	1,365.6
Goodwill acquired/purchase accounting adjustments during the year		32.6			(1.0	)		31.6
Effect of foreign currency exchange rate changes		9.8			—			9.8
Balance at March 31, 2011		1,322.2			84.8			1,407.0
Goodwill acquired/purchase accounting adjustments during the year		302.1			16.3			318.4
Effect of foreign currency exchange rate changes		(4.8	)		—			(4.8	)
Balance at March 31, 2012	$	1,619.5		$	101.1		$	1,720.6