Composition of Certain Financial Statement Captions (Details) (USD $) In Thousands	Jun. 30, 2011	Mar. 31, 2011
Summary of Accounts Receivable
Accounts receivable, excluding undelivered software, maintenance and services	$ 95,913	$ 90,487
Undeliverable software, maintenance and implementation services billed in advance, included in deferred revenue	59,790	56,002
Accounts receivable, gross	155,703	146,489
Allowance for doubtful accounts	(6,796)	(6,717)
Accounts receivable, net	148,907	139,772
Summary of Inventories
Computer systems and components, net of reserve for obsolescence of $264	2,137	1,925
Miscellaneous parts and supplies	8	8
Inventories	2,145	1,933
Summary of Equipment and improvements
Computer equipment	21,329	23,567
Furniture and fixtures	5,596	5,861
Leasehold improvements	3,950	4,434
Equipment and improvements, gross	30,875	33,862
Accumulated depreciation and amortization	(17,097)	(21,263)
Equipment and improvements, net	13,778	12,599
Summary of Current and non-current deferred revenue
Maintenance	11,328	11,108
Implementation services	56,147	52,197
Annual license services	9,776	10,127
Undelivered software and other	2,776	3,263
Deferred revenue	80,027	76,695
Deferred revenue, net of current	1,106	1,099
Summary of Accrued compensation and related benefits
Payroll, bonus and commission	3,990	5,014
Vacation	5,911	5,233
Accrued compensation and related benefits	9,901	10,247
Summary of Other current liabilities
Care services liabilities	4,487	3,787
Accrued EDI expense	2,344	2,801
Sales tax payable	1,179	589
Contingent consideration related to acquisitions	1,116	13,658
Accrued royalties	1,032	1,752
Customer deposits	908	962
Accrued travel	720	1,026
Outside Commission payable	614	599
Self insurance reserve	603	475
Deferred rent	533	437
Professional services	448	155
Other accrued expenses	3,384	3,075
Other current liabilities	$ 17,368	$ 29,316