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Schedule I - Condensed Financial Information Of AMERCO (Statements of Comprehensive Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2014
Net earnings | $ 489,001 | $ 356,741 | $ 342,391
Amerco [Member] |  |  |
Net earnings | 489,001 | 356,741 | 342,391
Other comprehensive income (loss) | (26,160) | 19,558 | (31,243)
Total comprehensive income | $ 462,841 | $ 376,299 | $ 311,148

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