Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues:
Self-moving equipment rentals	$ 711,710	$ 698,219	$ 1,358,046	$ 1,327,505
Self-storage revenues	72,163	62,060	139,885	119,251
Self-moving and self-storage products and service sales	70,330	70,703	147,633	147,961
Property management fees	6,712	6,320	13,316	12,431
Life insurance premiums	40,893	40,515	81,785	80,781
Property and casualty insurance premiums	14,009	13,372	25,264	23,928
Net investment and interest income	25,816	22,151	53,365	44,123
Other revenue	57,278	49,563	103,026	91,728
Total revenues	998,911	962,903	1,922,320	1,847,708
Costs and expenses:
Operating expenses	398,213	406,282	783,295	769,451
Commission expenses	80,462	80,799	154,278	153,857
Cost of sales	40,952	39,881	84,314	81,136
Benefits and losses	46,836	43,428	93,839	86,819
Amortization of deferred policy acquisition costs	5,989	5,643	13,931	10,421
Lease expense	9,349	12,724	20,397	29,788
Depreciation, net of (gains) losses on disposals	109,904	63,078	205,285	114,060
Total costs and expenses	691,705	651,835	1,355,339	1,245,532
Earnings from operations	307,206	311,068	566,981	602,176
Interest expense	(28,215)	(23,973)	(54,859)	(46,073)
Pretax earnings	278,991	287,095	512,122	556,103
Income tax expense	(102,516)	(103,716)	(188,474)	(201,439)
Earnings available to common shareholders	$ 176,475	$ 183,379	$ 323,648	$ 354,664
Basic and diluted earnings per common share	$ 9.01	$ 9.36	$ 16.52	$ 18.10
Weighted average common shares outstanding: basic and diluted	19,586,411	19,597,717	19,586,240	19,596,921