Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Revenues:
Self-moving equipment rentals	$ 541,473	$ 517,403	$ 1,899,519	$ 1,844,908
Self-storage revenues	72,309	63,164	212,194	182,415
Self-moving and self-storage products and service sales	51,562	50,038	199,195	197,999
Property management fees	9,734	8,170	23,050	20,601
Life insurance premiums	41,279	40,657	123,064	121,438
Property and casualty insurance premiums	14,938	14,105	40,202	38,033
Net investment and interest income	23,054	19,026	76,419	63,149
Other revenue	36,327	32,188	139,353	123,916
Total revenues	790,676	744,751	2,712,996	2,592,459
Costs and expenses:
Operating expenses	389,352	356,156	1,172,647	1,125,607
Commission expenses	61,052	58,347	215,330	212,204
Cost of sales	32,537	29,460	116,851	110,596
Benefits and losses	45,403	41,574	139,242	128,393
Amortization of deferred policy acquisition costs	5,200	5,138	19,131	15,559
Lease expense	8,807	10,461	29,204	40,249
Depreciation, net of (gains) losses on disposals	116,123	85,713	321,408	199,773
Total costs and expenses	658,474	586,849	2,013,813	1,832,381
Earnings from operations	132,202	157,902	699,183	760,078
Interest expense	(29,003)	(25,407)	(83,862)	(71,480)
Amortization on early extinguishment of debt	(499)		(499)
Pretax earnings	102,700	132,495	614,822	688,598
Income tax expense	(37,472)	(50,726)	(225,946)	(252,165)
Earnings available to common shareholders	$ 65,228	$ 81,769	$ 388,876	$ 436,433
Basic and diluted earnings per common share	$ 3.33	$ 4.17	$ 19.85	$ 22.27
Weighted average common shares outstanding: basic and diluted	19,586,694	19,599,352	19,586,389	19,597,735