Segment Reporting (Tables)

12 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Summary Of Segment Performance

The following tables summarize segment performance for fiscal 2013, 2012 and 2011:

	Enterprise Service Management							Mainframe Service Management		Consolidated
Year Ended March 31, 2013	Solutions		Services			Total
	(In millions)
Revenue:
License	$	490.5	$	—		$	490.5	$	348.0	$	838.5
Maintenance		645.2		—			645.2		493.9		1,139.1
Professional services		—		223.8			223.8		—		223.8
Total revenue		1,135.7		223.8			1,359.5		841.9		2,201.4
Direct and allocated indirect segment operating expenses:		886.7		239.6			1,126.3		334.5		1,460.8
Segment operating income (loss)		249.0		(15.8	)		233.2		507.4		740.6
Unallocated operating expenses											(275.2	)
Other expense, net											(37.5	)
Earnings before income taxes										$	427.9
	Enterprise Service Management							Mainframe Service Management		Consolidated
Year Ended March 31, 2012	Solutions		Services			Total
	(In millions)
Revenue:
License	$	543.3	$	—		$	543.3	$	334.5	$	877.8
Maintenance		585.0		—			585.0		495.4		1,080.4
Professional services		—		213.8			213.8		—		213.8
Total revenue		1,128.3		213.8			1,342.1		829.9		2,172.0
Direct and allocated indirect segment operating expenses:		831.1		228.7			1,059.8		332.6		1,392.4
Segment operating income (loss)		297.2		(14.9	)		282.3		497.3		779.6
Unallocated operating expenses											(235.7	)
Other expense, net											(13.9	)
Earnings before income taxes										$	530.0

	Enterprise Service Management							Mainframe Service Management		Consolidated
Year Ended March 31, 2011	Solutions		Services			Total
	(In millions)
Revenue:
License	$	550.9	$	—		$	550.9	$	313.6	$	864.5
Maintenance		551.5		—			551.5		472.7		1,024.2
Professional services		—		176.6			176.6		—		176.6
Total revenue		1,102.4		176.6			1,279.0		786.3		2,065.3
Direct and allocated indirect segment operating expenses:		806.6		192.2			998.8		333.8		1,332.6
Segment operating income (loss)		295.8		(15.6	)		280.2		452.5		732.7
Unallocated operating expenses											(199.9	)
Other expense, net											(1.5	)
Earnings before income taxes										$	531.3

Revenue By Geographical Units

Revenue from external customers and long-lived assets (excluding financial instruments, intangible assets and deferred tax assets) attributed to the United States, our corporate headquarters, and all other countries are:

	Year Ended March 31,
	2013		2012		2011
	(In millions)
Revenue:
United States	$	1,128.6	$	1,097.8	$	1,063.1
International		1,072.8		1,074.2		1,002.2
	$	2,201.4	$	2,172.0	$	2,065.3

Long-Lived Assets By Geographical Units

	At March 31,
	2013		2012
	(In millions)
Long-lived assets:
United States	$	69.5	$	72.8
International		43.8		43.3
	$	113.3	$	116.1