Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2012		Jun. 30, 2011
Cash flows from operating activities:
Net income	$ 15,497		$ 18,983
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,617		1,244
Amortization of capitalized software costs	2,462		1,925
Amortization of other intangibles	1,817	[1]	901	[1]
Provision for bad debts	1,428		980
Share-based compensation	964		956
Deferred income tax benefit	(10)		0
Tax benefit associated with stock options	0		852
Excess tax benefit from share-based compensation	0		(852)
Changes in assets and liabilities, net of amounts acquired:
Accounts receivable	(7,492)		(9,651)
Inventories	(513)		(212)
Income taxes receivable	2,628		0
Other current assets	(838)		57
Other assets	(579)		40
Accounts payable	7,249		(571)
Deferred revenue	(12,677)		3,245
Accrued compensation and related benefits	(690)		(346)
Income taxes payable	4,413		4,359
Other current liabilities	5,815		(1,182)
Deferred compensation	(571)		296
Other noncurrent liabilities	(679)		509
Net cash provided by operating activities	19,841		21,533
Cash flows from investing activities:
Additions to capitalized software costs	(4,333)		(2,513)
Additions to equipment and improvements	(3,349)		(2,423)
Net cash used in investing activities	(14,788)		(8,215)
Cash flows from financing activities:
Excess tax benefit from share-based compensation	0		852
Proceeds from exercise of stock options	763		3,427
Dividends paid	(10,354)		(10,160)
Net cash used in financing activities	(9,591)		(5,881)
Net (decrease) increase in cash and cash equivalents	(4,538)		7,437
Cash and cash equivalents at beginning of period	134,444		116,617
Cash and cash equivalents at end of period	129,906		124,054
Supplemental disclosures of cash flow information:
Cash paid during the period for income taxes, net of refunds	821		4,668
Non-cash investing and financing activities:
Unrealized gain (loss) on marketable securities, net of tax	3		(10)
Common stock issued at fair value for Opus earnout settlement	0		11,887
Poseidon Group [Member]
Cash flows from investing activities:
Purchase of Poseidon and Matrix	(2,033)		0
Effective May 1, 2012 and April 16, 2012 and April 29, 2011, the company acquired Poseidon, Matrix and IntraNexus in transactions summarized as follows:
Fair value of assets acquired	2,551
Cash paid	(2,033)
Purchase price holdback	(500)
Liabilities assumed	18
Matrix Management Solutions [Member]
Cash flows from investing activities:
Purchase of Poseidon and Matrix	(5,073)		0
Effective May 1, 2012 and April 16, 2012 and April 29, 2011, the company acquired Poseidon, Matrix and IntraNexus in transactions summarized as follows:
Fair value of assets acquired	14,587
Cash paid	(5,073)
Common Stock issued at fair value	(3,953)
Purchase price holdback	(853)
Fair value of contingent consideration	(2,862)
Fair value of non-compete agreement (liability)	(1,100)
Liabilities assumed	746
IntraNexus [Member]
Cash flows from investing activities:
Purchase of IntraNexus	0		(3,279)
Effective May 1, 2012 and April 16, 2012 and April 29, 2011, the company acquired Poseidon, Matrix and IntraNexus in transactions summarized as follows:
Fair value of assets acquired			4,524
Cash paid			(3,279)
Purchase price holdback			(125)
Fair value of contingent consideration			(800)
Liabilities assumed			$ 320

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