Composition of Certain Financial Statement Captions (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Mar. 31, 2014
Summary of Accounts Receivable
Accounts receivable, gross	$ 127,476	$ 127,006
Sales return reserve	(10,774)	(10,530)
Allowance for doubtful accounts	(4,860)	(6,295)
Accounts receivable, net	111,842	110,181
Summary of Inventories
Computer systems and components	755	834
Summary of Equipment and improvements
Computer equipment	38,273	37,322
Furniture and fixtures	9,571	9,395
Leasehold improvements	9,934	8,874
Equipment and improvements, gross	57,778	55,591
Accumulated depreciation	(34,863)	(32,790)
Equipment and improvements, net	22,915	22,801
Summary of Current and non-current deferred revenue
Maintenance	14,942	15,482
Implementation services	34,149	36,634
Annual license services	11,351	11,176
Undelivered software, subscriptions and other	10,250	7,785
Deferred revenue	70,692	71,077
Deferred revenue, net of current	2,001	2,187
Summary of Accrued compensation and related benefits
Payroll, bonus and commission	3,473	6,193
Vacation	10,421	9,760
Accrued compensation and related benefits	13,894	15,953
Summary of Other current liabilities
Customer deposits	3,699	76
Self insurance reserve	2,675	2,090
Contingent consideration and other liabilities related to acquisitions	978	1,052
Care services liabilities	2,605	4,351
Accrued EDI expense	1,978	1,702
Accrued royalties	1,423	1,418
Accrued consulting	1,311	1,707
Deferred rent	843	964
Users group meeting deposits	549	0
Professional services	303	170
Accrued travel	251	369
Outside commission payable	144	255
Other accrued expenses	3,857	4,128
Other current liabilities	20,616	18,282
Contingent consideration and other liabilities related to acquisitions	15,030	14,736
Deferred rent	3,482	3,509
Income tax payable	804	841
Other noncurrent liabilities	$ 19,316	$ 19,086