Segment Reporting (Tables)

9 Months Ended

Dec. 31, 2011

Segment Reporting [Abstract]

Summary of segment performance

	Enterprise		Mainframe
	Service		Service
Quarter Ended December 31, 2011	Management		Management		Consolidated
	(In millions)
Revenue:
License	$	133.7	$	91.3	$	225.0
Maintenance		147.7		124.6		272.3
Professional services		50.9		—		50.9
Total revenue		332.3		215.9		548.2
Direct and allocated indirect segment operating expenses:		256.1		79.4		335.5
Segment operating income		76.2		136.5		212.7
Unallocated operating expenses						(50.9	)
Other loss, net						(3.5	)
Earnings before income taxes					$	158.3

	Enterprise		Mainframe
	Service		Service
Quarter Ended December 31, 2010	Management		Management		Consolidated
	(In millions)
Revenue:
License	$	148.9	$	85.7	$	234.6
Maintenance		139.9		119.4		259.3
Professional services		46.0		—		46.0
Total revenue		334.8		205.1		539.9
Direct and allocated indirect segment operating expenses:		263.2		89.2		352.4
Segment operating income		71.6		115.9		187.5
Unallocated operating expenses						(48.1	)
Other income, net						1.7
Earnings before income taxes					$	141.1

	Enterprise		Mainframe
	Service		Service
Nine Months Ended December 31, 2011	Management		Management		Consolidated
	(In millions)
Revenue:
License	$	398.2	$	246.0	$	644.2
Maintenance		434.5		372.9		807.4
Professional services		155.7		—		155.7
Total revenue		988.4		618.9		1,607.3
Direct and allocated indirect segment operating expenses:		763.8		243.9		1,007.7
Segment operating income		224.6		375.0		599.6
Unallocated operating expenses						(161.7	)
Other loss, net						(9.9	)
Earnings before income taxes					$	428.0

	Enterprise		Mainframe
	Service		Service
Nine Months Ended December 31, 2010	Management		Management		Consolidated
	(In millions)
Revenue:
License	$	393.4	$	220.5	$	613.9
Maintenance		413.4		352.2		765.6
Professional services		123.6		—		123.6
Total revenue		930.4		572.7		1,503.1
Direct and allocated indirect segment operating expenses:		717.0		250.4		967.4
Segment operating income		213.4		322.3		535.7
Unallocated operating expenses						(144.7	)
Other loss, net						(3.5	)
Earnings before income taxes					$	387.5