Composition of Certain Financial Statement Captions (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Summary of Accounts Receivable
Accounts receivable, gross	$ 93,377	$ 104,467
Sales return reserve	(7,213)	(7,541)
Allowance for doubtful accounts	(2,757)	(2,902)
Accounts receivable, net	83,407	94,024
Summary of Prepaid Expense and Other Assets, Current
Prepaid Expense, Current	14,884	11,804
Other Assets, Current	3,085	3,106
Prepaid Expense and Other Assets, Current	17,969	14,910
Summary of Equipment and improvements
Computer equipment	22,014	32,213
Internal-use software	13,053	10,201
Furniture and fixtures	10,472	9,799
Leasehold improvements	16,360	13,408
Equipment and improvements, gross	61,899	65,621
Accumulated depreciation	(34,473)	(39,831)
Equipment and improvements, net	27,426	25,790
Summary of Current and non-current deferred revenue
Professional services	21,889	23,128
Undelivered software, hardware and other	12,680	14,913
Support and Maintenance	9,691	11,902
Software related subscription services	8,123	7,992
Deferred revenue	52,383	57,935
Deferred revenue, net of current	1,394	1,335
Summary of Accrued compensation and related benefits
Vacation	8,677	8,987
Payroll, bonus and commission	15,836	9,683
Accrued compensation and related benefits	24,513	18,670
Summary of Other current liabilities
Fair value of contingent consideration	18,817	24,153
Customer Deposits, Current	4,124	4,123
Care Services Liabilities Current	4,957	5,339
Self Insurance Reserve, Current	1,697	1,862
Accrued consulting services, Current	2,496	3,650
Electronic Data Interchange Expense Current	2,490	2,604
Deferred Rent Credit, Current	1,370	828
Capital Lease Obligations, Current	1,057	0
Accrued Outsourcing Expenses	1,588	1,604
Accrued Royalties, Current	2,033	2,341
Accrued Employee Benefits, Current	739	213
Taxes Payable	448	655
Accrued Professional Fees	853	864
Other Accrued Liabilities, Current	4,106	2,002
Other Liabilities, Current	46,775	50,238
Deferred Rent Credit, Noncurrent	11,402	6,577
Unrecognized Tax Benefits	4,762	3,955	$ 3,763
Accrued Income Taxes, Noncurrent		3,955
Other Liabilities	297	129
Other Liabilities, Noncurrent	$ 16,461	$ 10,661