Condensed Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010
Revenues
Self-moving equipment rentals	$ 1,678,256	$ 1,547,015	$ 1,419,726
Self-storage revenues	134,376	120,698	110,369
Self-moving and self-storage products and service sales	213,854	205,570	198,785
Property management fees	23,266	22,132	21,632
Life insurance premiums	277,562	206,992	134,345
Property and casualty insurance premiums	32,631	30,704	27,625
Net investment and interest income	64,200	52,661	49,989
Other revenue	78,530	55,503	39,534
Total revenues	2,502,675	2,241,275	2,002,005
Costs and expenses:
Operating expenses	1,093,190	1,026,577	1,022,061
Commission expenses	212,190	190,981	169,104
Cost of sales	116,542	106,024	104,049
Benefits and losses	310,839	190,429	121,105
Amortization of deferred policy acquisition costs	13,791	9,494	7,569
Lease expense	131,215	150,809	156,951
Depreciation, net of (gains) on disposals (($20,888), ($23,058) and ($1,960), respectively)	208,901	189,266	227,629
Total costs and expenses	2,086,668	1,863,580	1,808,468
Earnings from operations	416,007	377,695	193,537
Interest expense	(90,371)	(88,381)	(93,347)
Pretax earnings	325,636	289,314	100,190
Income tax expense	(120,269)	(105,739)	(34,567)
Net earnings	205,367	183,575	65,623
Less: Excess of redemption value over carrying value of preferred shares redeemed	(5,908)	(178)	388
Less: Preferred stock dividends	(2,913)	(12,412)	(12,856)
Earnings available to common shareholders	$ 196,546	$ 170,985	$ 53,155
Basic and diluted earnings per common share	$ 10.09	$ 8.80	$ 2.74
Weighted average common shares outstanding: Basic and diluted	19,476,187	19,432,781	19,386,791