Composition of Certain Financial Statement Captions (Details) (USD $) In Thousands	Sep. 30, 2011	Mar. 31, 2011
Summary of Accounts Receivable
Accounts receivable, excluding undelivered software, maintenance and services	$ 101,789	$ 90,487
Undeliverable software, maintenance and implementation services billed in advance, included in deferred revenue	56,360	56,002
Accounts receivable, gross	158,149	146,489
Allowance for doubtful accounts	(7,925)	(6,717)
Accounts receivable, net	150,224	139,772
Summary of Inventories
Computer systems and components, net	2,783	1,925
Miscellaneous parts and supplies	8	8
Inventories	2,791	1,933
Summary of Equipment and improvements
Computer equipment	22,611	23,567
Furniture and fixtures	5,773	5,861
Leasehold improvements	4,152	4,434
Equipment and improvements, gross	32,536	33,862
Accumulated depreciation and amortization	(17,683)	(21,263)
Equipment and improvements, net	14,853	12,599
Summary of Current and non-current deferred revenue
Maintenance	12,665	11,108
Implementation services	57,334	52,197
Annual license services	10,410	10,127
Undelivered software and other	2,882	3,263
Deferred revenue	83,291	76,695
Deferred revenue, net of current	1,272	1,099
Summary of Accrued compensation and related benefits
Payroll, bonus and commission	3,718	5,014
Vacation	6,075	5,233
Accrued compensation and related benefits	9,793	10,247
Summary of Other current liabilities
Care services liabilities	2,848	3,787
Contingent consideration related to acquisitions	2,577	13,658
Accrued EDI expense	2,348	2,801
Users Group Meeting (UGM) Accrual	1,729	449
Professional services	1,677	155
Accrued travel	961	1,026
Self insurance reserve	690	475
Sales tax payable	682	589
Customer deposits	640	962
Outside commission payable	587	599
Deferred rent	557	437
Accrued royalties	477	1,752
Other accrued expenses	2,405	2,626
Other current liabilities	$ 18,178	$ 29,316