Composition of Certain Financial Statement Captions (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015
Summary of Accounts Receivable
Accounts receivable, gross	$ 111,077	$ 119,807
Sales return reserve	(7,748)	(8,835)
Allowance for doubtful accounts	(3,355)	(3,303)
Accounts receivable, net	99,974	107,669
Summary of Inventories
Computer systems and components	647	622
Summary of Equipment and improvements
Computer equipment	46,035	42,668
Furniture and fixtures	10,615	10,408
Leasehold improvements	9,720	9,767
Equipment and improvements, gross	66,370	62,843
Accumulated depreciation	(44,315)	(42,036)
Equipment and improvements, net	22,055	20,807
Summary of Current and non-current deferred revenue
Professional services	27,984	30,340
Undelivered software, hardware and other	14,440	17,638
Support and Maintenance	13,396	15,077
Software related subscription services	6,043	3,288
Deferred revenue	61,863	66,343
Deferred revenue, net of current	1,272	1,349
Summary of Accrued compensation and related benefits
Payroll, bonus and commission	4,903	13,505
Vacation	10,742	10,546
Accrued compensation and related benefits	15,645	24,051
Summary of Other current liabilities
Contingent consideration and other liabilities related to acquisitions	9,318	9,124
Customer credit balances and deposits	4,840	4,760
Accrued legal expense	4,161	3,527
Care services liabilities	3,868	2,381
Accrued royalties	2,770	2,063
Accrued EDI expense	2,295	2,322
Self insurance reserve	2,205	2,290
Accrued consulting	1,955	2,603
Other accrued expenses	5,614	4,854
Other current liabilities	37,026	33,924
Contingent consideration and other liabilities related to acquisitions	7,483	7,581
Deferred rent	2,867	3,122
Uncertain tax position and related liabilities	3,910	4,095
Other non-current liabilities	$ 14,260	$ 14,798