Consolidated Statements of Cash Flows - Unaudited - USD ($)	6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash Flows from Operating Activities
NET INCOME	$ 26,278,000	$ 24,567,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	17,750,000	11,275,000
Loss (gain) on write down or disposal of property, capitalized software or investment	26,000	(37,000)
Stock compensation expense	2,423,000	2,087,000
Provision for doubtful accounts	841,000	1,503,000
Deferred income tax	(606,000)	(521,000)
Changes in operating assets and liabilities
Accounts receivable	(926,000)	(1,628,000)
Customer deposits	3,146,000	(5,837,000)
Prepaid taxes and expenses	(447,000)	(502,000)
Other assets	(682,000)	125,000
Accounts and taxes payable	4,389,000	248,000
Accrued liabilities	7,843,000	17,320,000
Operating lease liabilities	(13,596,000)	0
Net cash provided by operating activities	46,439,000	48,600,000
Cash Flows from Investing Activities
Purchase of property and equipment	(17,542,000)	(6,473,000)
Net cash (used in) investing activities	(17,542,000)	(6,473,000)
Cash Flows from Financing Activities
Purchase of treasury stock	(28,316,000)	(11,302,000)
Exercise of common stock options	5,387,000	3,285,000
Exercise of employee stock purchase options	239,000	252,000
Net cash (used in) financing activities	(22,690,000)	(7,765,000)
Increase in cash and cash equivalents	6,207,000	34,362,000
Cash and cash equivalents at beginning of period	91,713,000	55,771,000
Cash and cash equivalents at end of period	97,920,000	90,133,000
Supplemental Cash Flow Information:
Income taxes paid	8,157,000	5,585,000
Purchase of software license under finance agreement	$ 3,790,000	$ 0