Restructuring Charges (Details) (USD $)	3 Months Ended				9 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012	Dec. 31, 2013 Employee	Dec. 31, 2012
Restructuring reserve [Roll forward]
Accrual, beginning of period	$ 3,647,000	$ 5,546,000	$ 7,467,000		$ 7,467,000
Restructuring charge	3,737,000	233,000	5,112,000	0	9,082,000	0
Payments	(1,477,000)	(2,132,000)	(5,242,000)
Non-cash charges	(450,000)	0	(1,791,000)
Accrual, end of period	5,457,000	3,647,000	5,546,000		5,457,000
Reductions in global workforce					91
Restructuring accrual current	4,800,000				4,800,000
Restructuring accrual noncurrent	664,000				664,000
Facility Closing [Member] | Minimum [Member]
Restructuring reserve [Roll forward]
Estimated costs for restructuring					50,000,000
Estimated increase in operating margins					110,000,000
Facility Closing [Member] | Maximum [Member]
Restructuring reserve [Roll forward]
Estimated costs for restructuring					60,000,000
Estimated increase in operating margins					120,000,000
Employee Termination Benefits [Member]
Restructuring reserve [Roll forward]
Accrual, beginning of period	1,600,000	3,219,000	4,670,000		4,670,000
Restructuring charge	1,503,000	196,000	5,110,000		6,809,000
Payments	(715,000)	(1,815,000)	(4,770,000)
Non-cash charges	(450,000)	0	(1,791,000)
Accrual, end of period	1,938,000	1,600,000	3,219,000		1,938,000
Employee Termination Benefits [Member] | Application Performance Management [Member]
Restructuring reserve [Roll forward]
Restructuring charge	241,000				1,375,000
Employee Termination Benefits [Member] | Mainframe [Member]
Restructuring reserve [Roll forward]
Restructuring charge	43,000				427,000
Employee Termination Benefits [Member] | Changepoint [Member]
Restructuring reserve [Roll forward]
Restructuring charge	14,000				50,000
Employee Termination Benefits [Member] | Uniface [Member]
Restructuring reserve [Roll forward]
Restructuring charge	39,000				228,000
Employee Termination Benefits [Member] | Professional Services [Member]
Restructuring reserve [Roll forward]
Restructuring charge	0				98,000
Employee Termination Benefits [Member] | Application Services [Member]
Restructuring reserve [Roll forward]
Restructuring charge	287,000				391,000
Employee Termination Benefits [Member] | Unallocated Expense [Member]
Restructuring reserve [Roll forward]
Restructuring charge	879,000				4,240,000
Lease Abandonment Costs [Member]
Restructuring reserve [Roll forward]
Accrual, beginning of period	2,040,000	2,312,000	2,717,000		2,717,000
Restructuring charge	2,234,000	37,000	0
Payments	(762,000)	(309,000)	(405,000)
Non-cash charges	0	0	0
Accrual, end of period	3,512,000	2,040,000	2,312,000		3,512,000
Other Restructuring Charges [Member]
Restructuring reserve [Roll forward]
Accrual, beginning of period	7,000	15,000	80,000		80,000
Restructuring charge	0	0	2,000
Payments	0	(8,000)	(67,000)
Non-cash charges	0	0	0
Accrual, end of period	$ 7,000	$ 7,000	$ 15,000		$ 7,000