Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Jun. 30, 2013		Jun. 30, 2012
Cash flows from operating activities:
Net income	$ 12,945,000		$ 15,497,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,897,000		1,617,000
Amortization of capitalized software costs	2,679,000		2,462,000
Amortization of other intangibles	1,866,000	[1]	1,817,000
Provision for bad debts	1,805,000		1,428,000
Provision for inventory obsolescence	(137,000)		(126,000)
Share-based compensation	541,000		964,000
Deferred income tax benefit	517,000		(10,000)
Excess tax benefit from share-based compensation	(50,000)		0
Change in fair value of contingent consideration	46,000		185,000
Changes in assets and liabilities, net of amounts acquired:
Accounts receivable	7,503,000		(7,492,000)
Inventories	(136,000)		(387,000)
Income taxes receivable	0		2,628,000
Other current assets	4,025,000		(838,000)
Other assets	(610,000)		(579,000)
Accounts payable	(4,061,000)		7,249,000
Deferred revenue	(2,416,000)		(12,677,000)
Accrued compensation and related benefits	158,000		(690,000)
Income taxes payable	3,823,000		4,413,000
Other current liabilities	149,000		5,669,000
Deferred compensation	141,000		(571,000)
Other noncurrent liabilities	842,000		(679,000)
Net cash provided by operating activities	31,527,000		19,880,000
Cash flows from investing activities:
Additions to capitalized software costs	(7,300,000)		(4,333,000)
Additions to equipment and improvements	(1,835,000)		(3,349,000)
Net cash used in investing activities	(9,135,000)		(14,788,000)
Cash flows from financing activities:
Excess tax benefit from share-based compensation	50,000		0
Proceeds from exercise of stock options	250,000		763,000
Dividends paid	(10,417,000)		(10,354,000)
Payment of contingent consideration related to acquisitions	(62,000)		(39,000)
Net cash used in financing activities	(10,179,000)		(9,630,000)
Net (decrease) increase in cash and cash equivalents	12,213,000		(4,538,000)
Cash and cash equivalents at beginning of period	105,999,000
Cash and cash equivalents at end of period	118,212,000		129,906,000
Supplemental disclosures of cash flow information:
Cash paid during the period for income taxes, net of refunds	2,032,000		821,000
Poseidon Group [Member]
Cash flows from investing activities:
Purchase of Poseidon and Matrix	0		(2,033,000)
Effective May 1, 2012 and April 16, 2012 and April 29, 2011, the company acquired Poseidon, Matrix and IntraNexus in transactions summarized as follows:
Cash paid	0		(2,033,000)
Purchase price holdback			500,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities			18,000
Fair value of assets acquired			2,551,000
Matrix Management Solutions [Member]
Cash flows from investing activities:
Purchase of Poseidon and Matrix	0		(5,073,000)
Effective May 1, 2012 and April 16, 2012 and April 29, 2011, the company acquired Poseidon, Matrix and IntraNexus in transactions summarized as follows:
Cash paid	0		(5,073,000)
Common Stock issued at fair value			3,953,000
Purchase price holdback			853,000
Fair value of contingent consideration			(2,862,000)
Fair value of non-compete agreement (liability)			1,100,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities			746,000
Fair value of assets acquired			$ 14,587,000

[1] Amortization of the customer relationships and the trade name & contracts intangible assets is included in operating expenses and amortization of the software technology intangible assets is included in cost of revenue for software and hardware.