Composition of Certain Financial Statement Captions (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Summary of Accounts Receivable
Accounts receivable, gross	$ 160,080	$ 154,237
Allowance for doubtful accounts	(11,823)	(8,481)
Accounts receivable, net	148,257	145,756
Summary of Inventories
Computer systems and components, net	710	1,236
Miscellaneous parts and supplies	0	6
Inventories	710	1,242
Summary of Equipment and improvements
Computer equipment	31,633	24,936
Furniture and fixtures	8,416	6,358
Leasehold improvements	7,125	4,906
Equipment and improvements, gross	47,174	36,200
Accumulated depreciation and amortization	(25,287)	(18,359)
Equipment and improvements, net	21,887	17,841
Summary of Current and non-current deferred revenue
Maintenance	12,085	12,742
Implementation services	36,899	55,235
Annual license services	9,906	11,730
Undelivered software and other	6,317	3,401
Deferred revenue, net of current	1,219	1,293
Summary of Accrued compensation and related benefits
Payroll, bonus and commission	3,842	4,890
Vacation	8,073	6,980
Accrued compensation and related benefits	11,915	11,870
Other Liabilities [Abstract]
Contingent consideration related to acquisitions	8,426	5,482
Care services liabilities	5,488	1,962
Accrued Consulting	2,602	880
Accrued EDI expense	1,452	2,588
Self insurance reserve	1,336	934
Accrued royalties	1,331	1,974
Sales tax payable	869	527
Deferred rent	689	610
Outside commission payable	461	520
Accrued travel	384	509
Customer deposits	262	1,297
Other accrued expenses	3,208	2,285
Other current liabilities	26,508	19,568
Deferred rent	2,448	2,476
Contingent consideration and other liabilities related to acquisitions	1,382	2,989
Other liabilities	119	137
Other non-current liabilities	$ 3,949	$ 5,602