Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net income	$ 9,913	$ 23,066
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	4,402	3,818
Amortization of capitalized software costs	7,117	5,303
Amortization of other intangibles	3,608	4,062
Provision for bad debts	(891)	3,716
Provision for inventory obsolescence	62	0
Share-based compensation	1,657	1,125
Deferred income taxes	31	826
Excess tax benefit from share-based compensation	0	(62)
Change in fair value of contingent consideration	1,004	(89)
Loss on disposal of equipment and improvements	12	0
Changes in assets and liabilities, net of amounts acquired:
Accounts receivable	8,762	9,298
Inventories	27	(242)
Income taxes receivable	4,668	(4,466)
Other current assets	1,343	3,959
Other assets	(876)	(845)
Accounts payable	774	(2,816)
Deferred revenue	(1,824)	(4,223)
Accrued compensation and related benefits	(4)	61
Income taxes payable	(269)	(1,899)
Other current liabilities	3,238	1,818
Deferred compensation	503	489
Other noncurrent liabilities	(516)	502
Net cash provided by operating activities	42,741	43,401
Cash flows from investing activities:
Additions to capitalized software costs	(6,369)	(15,295)
Additions to equipment and improvements	(4,503)	(4,611)
Proceeds from sales and maturities of marketable securities	6,431	7,900
Purchases of marketable securities	(4,349)	(8,535)
Net cash used in investing activities	(8,790)	(55,343)
Cash flows from financing activities:
Excess tax benefit from share-based compensation	0	62
Proceeds from exercise of stock options	(55)	1,535
Dividends paid	(21,375)	(20,843)
Payment of contingent consideration related to acquisitions	(686)	(1,995)
Net cash used in financing activities	(22,116)	(21,241)
Net (decrease) increase in cash and cash equivalents	11,835	(33,183)
Cash and cash equivalents at beginning of period	103,145	105,999
Cash and cash equivalents at end of period	114,980	72,816
Supplemental disclosures of cash flow information:
Cash paid during the period for income taxes, net of refunds	507	17,555
Mirth [Member]
Cash flows from investing activities:
Purchase of Mirth	0	(34,802)
Supplemental disclosures of cash flow information:
Fair value of assets acquired		62,540
Cash paid	0	34,802
Common stock issued at fair value		7,882
Fair value of contingent consideration		13,307
Liabilities assumed		$ (6,549)