Segment Reporting (Tables)

12 Months Ended

Mar. 31, 2012

Segment Reporting [Abstract]

Summary of segment performance

Year Ended March 31, 2012	Enterprise Service Management		Mainframe Service Management		Consolidated
	(In millions)
Revenue:
License	$	543.3	$	334.5	$	877.8
Maintenance		585.0		495.4		1,080.4
Professional services		213.8		—		213.8
Total revenue		1,342.1		829.9		2,172.0
Direct and allocated indirect segment operating expenses:		1,059.8		332.6		1,392.4
Segment operating income		282.3		497.3		779.6
Unallocated operating expenses						(235.7	)
Other loss, net						(13.9	)
Earnings before income taxes					$	530.0

Year Ended March 31, 2011	Enterprise Service Management		Mainframe Service Management		Consolidated
	(In millions)
Revenue:
License	$	550.9	$	313.6	$	864.5
Maintenance		551.5		472.7		1,024.2
Professional services		176.6		—		176.6
Total revenue		1,279.0		786.3		2,065.3
Direct and allocated indirect segment operating expenses:		998.8		333.8		1,332.6
Segment operating income		280.2		452.5		732.7
Unallocated operating expenses						(199.9	)
Other loss, net						(1.5	)
Earnings before income taxes					$	531.3

Year Ended March 31, 2010	Enterprise Service Management		Mainframe Service Management		Consolidated
	(In millions)
Revenue:
License	$	462.2	$	296.2	$	758.4
Maintenance		550.9		472.8		1,023.7
Professional services		129.1		—		129.1
Total revenue		1,142.2		769.0		1,911.2
Direct and allocated indirect segment operating expenses:		902.2		334.5		1,236.7
Segment operating income		240.0		434.5		674.5
Unallocated operating expenses						(168.4	)
Other loss, net						(1.9	)
Earnings before income taxes					$	504.2

Revenue by geographical units

	Year Ended March 31,
	2012		2011		2010
			(In millions)
Revenue:
United States	$	1,097.8	$	1,063.1	$	1,011.5
International		1,074.2		1,002.2		899.7
	$	2,172.0	$	2,065.3	$	1,911.2

Long-lived assets by geographical units

		xxxxxx		xxxxxx
	At March 31,
	2012		2011
	(In millions)
Long-lived assets:
United States	$	72.8	$	81.4
International		43.3		47.8
	$	116.1	$	129.2