Composition of Certain Financial Statement Captions (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Mar. 31, 2017
Summary of Accounts Receivable
Accounts receivable, gross	$ 90,753	$ 93,377
Sales return reserve	(6,413)	(7,213)
Allowance for doubtful accounts	(2,628)	(2,757)
Accounts receivable, net	81,712	83,407
Summary of Prepaid Expense and Other Assets, Current
Prepaid Expense, Current	13,651	14,884
Other Assets, Current	1,718	3,085
Prepaid Expense and Other Assets, Current	15,369	17,969
Summary of Equipment and improvements
Computer equipment	26,120	22,014
Internal-use software	13,290	13,053
Furniture and fixtures	12,025	10,472
Leasehold improvements	17,258	16,360
Equipment and improvements, gross	68,693	61,899
Accumulated depreciation	(41,012)	(34,473)
Equipment and improvements, net	27,681	27,426
Summary of Current and non-current deferred revenue
Professional services	22,084	21,889
Undelivered software, hardware and other	11,579	12,680
Support and Maintenance	10,203	9,691
Software related subscription services	8,419	8,123
Deferred revenue	52,285	52,383
Deferred revenue, net of current	1,191	1,394
Summary of Accrued compensation and related benefits
Payroll, bonus and commission	8,869	15,836
Vacation	8,733	8,677
Accrued compensation and related benefits	17,602	24,513
Summary of Other current liabilities
Care Services Liabilities Current	6,488	4,957
Customer Deposits, Current	3,964	4,124
Accrued consulting services, Current	3,006	2,496
Deferred Rent Credit, Current	2,275	2,427
Electronic Data Interchange Expense Current	2,469	2,490
Accrued Royalties, Current	721	2,033
Self Insurance Reserve, Current	2,502	1,697
Accrued Professional Fees, Current	1,245	853
Other Accrued Liabilities	1,157	0
Accrued Hosting Costs	951	401
Accrued Outsourcing Expenses	1,678	1,588
Sales and Excise Tax Payable, Current	494	448
Accrued Employee Benefits, Current	671	739
Contingent consideration and other liabilities related to acquisitions	0	18,817
Other Accrued Liabilities, Current	4,292	3,705
Other Liabilities, Current	31,913	46,775
Deferred Rent Credit, Noncurrent	11,660	11,402
Unrecognized Tax Benefits	5,305	4,762
Other Liabilities	350	297
Other Liabilities, Noncurrent	$ 17,315	$ 16,461