CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Cash Flows From Operating Activities:
Net earnings	$ 45,840	$ 35,273	$ 34,830
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Depreciation and amortization	15,575	14,755	12,168
Reserve for credit losses, inventory obsolescence and sales returns	125	853	(192)
Share-based compensation expense	4,585	3,968	3,283
Excess tax benefit from share-based compensation	(564)	(1,762)	(1,648)
Deferred taxes	(1,863)	(3,536)	(991)
Payments from lessees directly to lenders-operating leases	(7,685)	(7,539)	(5,567)
Gain on disposal of property, equipment and operating lease equipment	(3,112)	(2,473)	(946)
Gain on sale of financing receivables	(5,884)	(5,843)	(2,997)
Excess increase in cash value of life insurance	0	(103)	(107)
Gain on settlement	(1,434)	0	0
Other	(127)	109	15
Changes in:
Accounts receivable - trade	1,372	(36,751)	(14,230)
Accounts receivable - other	(2,407)	(2,621)	(3,610)
Inventories	3,161	(7,724)	8,764
Financing receivables	(19,560)	(30,792)	18,763
Deferred costs, other intangible assets and other assets	(10,060)	(1,179)	(479)
Accounts payable-equipment	(349)	3,578	(11,708)
Accounts payable-trade	(16,461)	29,512	4,568
Salaries and commissions payable, deferred revenue and other liabilities	12,695	4,052	1,354
Net cash provided by (used in) operating activities	13,847	(8,223)	41,270
Cash Flows From Investing Activities:
Purchases of short-term investments	0	0	(1,233)
Maturities of short-term investments	0	982	7,647
Maturities of supplemental benefit plan investments	2,544	0	0
Proceeds from sale of property, equipment and operating lease equipment	8,562	4,138	1,923
Purchases of property, equipment and operating lease equipment	(11,773)	(9,952)	(15,584)
Purchases of assets to be leased or financed	(143)	(5,445)	0
Issuance of financing receivables	(128,125)	(104,298)	(87,859)
Repayments of financing receivables	60,619	42,514	26,913
Proceeds from sale of financing receivables	45,828	46,249	55,663
Premiums paid on life insurance	(47)	(140)	(128)
Cash used in acquisitions, net of cash acquired	(8,057)	(2,845)	0
Net cash used in investing activities	(30,592)	(28,797)	(12,658)
Cash Flows From Financing Activities:
Borrowings of non-recourse and recourse notes payable	52,237	51,547	32,746
Repayments of non-recourse and recourse notes payable	(1,688)	(2,252)	(3,105)
Repurchase of common stock	(37,685)	(13,188)	(1,890)
Dividends paid	(90)	(108)	(20,100)
Proceeds from issuance of capital stock through option exercise	0	560	1,167
Payments of contingent consideration	0	(1,027)	(473)
Excess tax benefit from share based compensation	564	1,762	1,648
Net borrowings (repayments) on floor plan facility	(518)	27,165	(19,660)
Net cash provided by (used in) financing activities	12,820	64,459	(9,667)
Effect of exchange rate changes on cash	(79)	20	(3)
Net (Decrease) Increase in Cash and Cash Equivalents	(4,004)	27,459	18,942
Cash and Cash Equivalents, Beginning of Period	80,179	52,720	33,778
Cash and Cash Equivalents, End of Period	76,175	80,179	52,720
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	239	105	26
Cash paid for income taxes	35,436	25,517	24,200
Schedule of Non-Cash Investing and Financing Activities:
Purchase of property, equipment, and operating leases included in accounts payable	432	123	313
Purchase of assets to be leased or financed included in accounts payable	20,022	1,140	0
Proceeds from sales of operating lease equipment included in accounts receivable	443	861	34
Repayments of non-recourse and recourse notes payable	34,584	22,146	15,872
Dividends declared included in other liabilities	0	0	278
Vesting of share-based compensation	6,474	7,838	4,648
Origination and concurrent sale of notes receivable	73,881	98,616	0
Contingent consideration	$ 1,980	$ 0	$ 0