Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Revenues:
Self-moving equipment rentals	$ 3,958,807	$ 3,083,317	$ 2,692,413
Self-storage revenues	617,120	477,262	418,741
Self-moving and self-storage products and service sales	351,447	344,929	265,091
Property management fees	35,194	31,603	30,406
Life insurance premiums	111,027	121,609	127,976
Property and casualty insurance premiums	86,518	68,779	66,053
Net investment and interest income	148,261	122,938	137,829
Other revenue	431,373	291,548	240,359
Total revenues	5,739,747	4,541,985	3,978,868
Costs and expenses:
Operating expenses	2,676,541	2,187,684	2,117,148
Commission expenses	429,581	329,609	288,332
Cost of sales	259,585	214,059	164,018
Benefits and losses	186,647	179,512	174,836
Amortization of deferred policy acquisition costs	33,854	28,293	31,219
Lease expense	29,910	28,470	26,882
Depreciation, net of (gains) losses on disposals	482,752	609,930	637,063
Net gains on disposal of real estate	(4,120)	3,281	(758)
Total costs and expenses	4,094,750	3,580,838	3,438,740
Earnings from operations	1,644,997	961,147	540,128
Other components of net periodic benefit costs	(1,120)	(987)	(1,054)
Interest expense	(167,424)	(163,502)	(160,950)
Fees and amortization on early extinguishment of debt	(956)	0	0
Pretax earnings	1,475,497	796,658	378,124
Income tax expense	(352,211)	(185,802)	63,924
Earnings available to common shareholders	$ 1,123,286	$ 610,856	$ 442,048
Basic and diluted earnings per common share	$ 57.29	$ 31.15	$ 22.55
Weighted average common shares outstanding: basic and diluted	19,607,788	19,607,788	19,603,708