Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Revenues:
Self-moving equipment rentals	$ 2,297,980	$ 2,146,391	$ 1,955,423
Self-storage revenues	247,944	211,136	181,794
Self-moving and self-storage products and service sales	251,541	244,177	234,187
Property management fees	26,533	25,341	24,493
Life insurance premiums	162,662	156,103	157,919
Property and casualty insurance premiums	50,020	46,456	41,052
Net investment and interest income	86,805	84,728	79,591
Other revenue	152,171	160,199	160,793
Total revenues	3,275,656	3,074,531	2,835,252
Costs and expenses:
Operating expenses	1,470,047	1,479,409	1,313,674
Commission expenses	262,627	249,642	227,332
Cost of sales	144,990	146,072	127,270
Benefits and losses	167,436	158,760	156,702
Amortization of deferred policy acquisition costs	23,272	19,661	19,982
Lease expense	49,780	79,798	100,466
Depreciation, net of (gains) losses on disposals	290,690	278,165	259,612
Total costs and expenses	2,408,842	2,411,507	2,205,038
Earnings from operations	866,814	663,024	630,214
Interest expense	$ (97,903)	(97,525)	$ (92,692)
Fees and amortization on early extinguishment of debt		(4,081)
Pretax earnings	$ 768,911	561,418	$ 537,522
Income tax expense	(279,910)	(204,677)	(195,131)
Earnings available to common shareholders	$ 489,001	$ 356,741	$ 342,391
Basic and diluted earnings per common share	$ 24.95	$ 18.21	$ 17.51
Weighted average common shares outstanding: basic and diluted	19,596,110	19,586,633	19,558,758