Composition of Certain Financial Statement Captions (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2013
Summary of Accounts Receivable
Accounts receivable, gross	$ 127,006	$ 166,586
Sales return reserve	(10,530)	(6,506)
Allowance for doubtful accounts	(6,295)	(11,823)
Accounts receivable, net	110,181	148,257
Summary of Inventories
Computer systems and components, net	834	710
Summary of Equipment and improvements
Computer equipment	37,322	31,633
Furniture and fixtures	9,395	8,416
Leasehold improvements	8,874	7,125
Equipment and improvements, gross	55,591	47,174
Accumulated depreciation and amortization	(32,790)	(25,287)
Equipment and improvements, net	22,801	21,887
Summary of Current and non-current deferred revenue
Maintenance	15,482	12,085
Implementation services	36,634	36,899
Annual license services	11,176	9,906
Undelivered software and other	7,785	6,317
Deferred revenue	71,077	65,207
Deferred revenue, net of current	2,187	1,219
Summary of Accrued compensation and related benefits
Payroll, bonus and commission	6,193	3,842
Vacation	9,760	8,073
Accrued compensation and related benefits	15,953	11,915
Other Liabilities [Abstract]
Care services liabilities	4,351	5,488
Self insurance reserve	2,090	1,336
Accrued consulting	1,707	2,602
Accrued EDI expense	1,702	1,452
Accrued royalties	1,418	1,331
Contingent consideration and other liabilities related to acquisitions	1,052	8,426
Deferred rent	964	689
Sales tax payable	803	869
Accrued travel	369	384
Outside commission payable	255	461
Professional services	170	27
Customer deposits	76	262
Other accrued expenses	3,325	3,181
Other current liabilities	18,282	26,508
Contingent consideration and other liabilities related to acquisitions	14,736	1,382
Deferred rent	3,509	2,448
Income tax payable	841	0
Other liabilities	0	119
Other non-current liabilities	$ 19,086	$ 3,949