Consolidated Statements of Cash Flows - (Unaudited) - USD ($)	9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Cash Flows from Operating Activities
NET INCOME	$ 68,746,000	$ 56,798,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	21,935,000	19,569,000
Loss on write down or disposal of property, capitalized software or investment	112,000	222,000
Stock-based compensation expense	4,376,000	3,690,000
Provision for expected credit losses	1,400,000	1,300,000
Deferred income tax	(1,094,000)	(923,000)
Changes in operating assets and liabilities
Accounts receivable	(10,470,000)	(12,923,000)
Customer deposits	(11,354,000)	(816,000)
Prepaid taxes and expenses	(3,126,000)	(2,518,000)
Other assets	856,000	(34,000)
Accounts and taxes payable	(1,000)	(2,904,000)
Accrued liabilities	32,240,000	20,675,000
Operating leases, net	774,000	1,856,000
Net cash provided by operating activities	104,394,000	83,992,000
Cash Flows from Investing Activities
Purchase of property and equipment	(27,094,000)	(19,193,000)
Net cash used in investing activities	(27,094,000)	(19,193,000)
Cash Flows from Financing Activities
Purchase of treasury stock	(28,609,000)	(36,529,000)
Proceeds from exercise of common stock options	8,348,000	7,059,000
Proceeds from purchases under employee stock purchase plan	342,000	336,000
Net cash used in financing activities	(19,919,000)	(29,134,000)
Increase in cash and cash equivalents	57,381,000	35,665,000
Cash and cash equivalents at beginning of period	105,563,000	71,329,000
Cash and cash equivalents at end of period	162,944,000	106,994,000
Supplemental Cash Flow Information:
Income taxes paid	20,787,000	19,269,000
Purchase of software license under finance agreement	$ 0	$ 2,728,000