CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Cash Flows From Operating Activities:
Net earnings	$ 35,273	$ 34,830	$ 23,367
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Depreciation and amortization	14,755	12,168	9,365
Provision for credit losses, inventory obsolescence and sales returns	853	(192)	3,244
Share-based compensation expense	3,968	3,283	2,392
Excess tax benefit from exercise of stock options	(1,762)	(1,648)	(740)
Deferred taxes	(3,536)	(991)	1,413
Payments from lessees directly to lenders-operating leases	(7,539)	(5,567)	(4,371)
Gain on disposal of property, equipment and operating lease equipment	(2,473)	(946)	(1,303)
Gain on sale of notes receivable	(5,843)	(2,997)	(2,915)
Excess increase in cash value of life insurance	(103)	(107)	(160)
Other	109	15	(208)
Changes in:
Accounts receivable - trade	(36,751)	(14,230)	(50,529)
Accounts receivable - other	(2,621)	(3,610)	99
Financing receivables	(30,792)	18,763	(17,086)
Inventories	(7,724)	8,764	(13,775)
Deferred costs, other intangible assets and other assets	(1,179)	(479)	20,126
Accounts payable-equipment	3,578	(11,708)	9,735
Accounts payable-trade	29,512	4,568	10,218
Salaries and commissions payable, deferred revenue and other liabilities	4,052	1,354	(10,468)
Net cash (used in) provided by operating activities	(8,223)	41,270	(21,596)
Cash Flows From Investing Activities:
Purchases of short-term investments	0	(1,233)	(7,396)
Maturities of short-term investments	982	7,647	0
Proceeds from sale of property, equipment and operating lease equipment	4,138	1,923	2,176
Purchases of property, equipment and operating lease equipment	(9,952)	(15,584)	(7,655)
Purchases of assets to be leased or financed	(5,445)	0	0
Issuance of notes receivable	(104,298)	(87,859)	(65,678)
Repayments of notes receivable	42,514	26,913	16,713
Proceeds from sale or transfer of notes receivable	46,249	55,663	35,487
Premiums paid on life insurance	(140)	(128)	(65)
Cash used in acquisitions, net of cash acquired	(2,845)	0	(11,805)
Net cash used in investing activities	(28,797)	(12,658)	(38,223)
Cash Flows From Financing Activities:
Borrowings of non-recourse and recourse notes payable	51,547	32,746	14,137
Repayments of non-recourse and recourse notes payable	(2,252)	(3,105)	(3)
Repurchase of common stock	(13,188)	(1,890)	(19,418)
Dividends paid	(108)	(20,100)	0
Proceeds from issuance of capital stock through option exercise	560	1,167	623
Payments of contingent consideration	(1,027)	(473)	0
Excess tax benefit from share based compensation	1,762	1,648	740
Net borrowings (repayments) on floor plan facility	27,165	(19,660)	21,767
Net cash provided by (used in) financing activities	64,459	(9,667)	17,846
Effect of exchange rate changes on cash	20	(3)	(5)
Net Increase in Cash and Cash Equivalents	27,459	18,942	(41,978)
Cash and Cash Equivalents, Beginning of Period	52,720	33,778	75,756
Cash and Cash Equivalents, End of Period	80,179	52,720	33,778
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	105	26	21
Cash paid for income taxes	25,517	24,200	11,990
Schedule of Non-Cash Investing and Financing Activities:
Purchase of property and equipment included in accounts payable	7	138	95
Purchase of operating lease equipment included in accounts payable	116	175	0
Purchase of assets financed as notes receivables included in accounts payable	1,140	0	0
Proceeds from sales of operating lease equipment included in accounts receivable	861	34	495
Repayments of non-recourse and recourse notes payable	22,146	15,872	15,671
Dividends declared included in other liabilities	0	278	0
Vesting of share-based compensation	7,838	4,648	2,216
Contingent consideration	0	0	1,500
Origination and concurrent sale of notes receivable	$ 98,616	$ 0	$ 0