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Schedule I - Condensed Financial Information of AMERCO (Statements of Cash Flow) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2014
Cash flow from operating activities: |  |  |
Net earnings | $ 489,001 | $ 356,741 | $ 342,391
Earnings from consolidated subsidiaries |  |  |
Adjustments to reconcile net earnings to cash provided by operations: |  |  |
Depreciation | $ 389,393 | $ 352,796 | $ 293,169
Net gain (loss) on sale of investments | (4,491) | (3,925) | (6,411)
Deferred income taxes | 138,075 | 76,500 | 46,371
Net change in other operating assets and liabilities: |  |  |
Prepaid expenses | (10,338) | (65,720) | 2,186
Other assets | 15,322 | 3,735 | 7,667
Related party assets | 56,644 | 27,706 | 7,554
Accounts payable and accrued expenses | 37,387 | 98,877 | 36,365
Net cash provided by operating activities | 1,041,063 | 759,099 | 733,966
Cash flow from investing activities: |  |  |
Purchases of property, plant and equipment | (1,509,154) | (1,041,931) | (1,000,243)
Proceeds of equity securities | 2,044 | 3,082 | 29,139
Net cash used by investing activities | (1,273,399) | (755,261) | (846,631)
Cash flow from financing activities: |  |  |
Common stock dividends paid | (78,374) | (19,594) | (19,568)
Net cash provided by financing activities | 406,872 | (46,338) | 144,210
Increase (decrease) in cash and cash equivalents | 158,796 | (53,262) | 31,368
Cash and cash equivalents at the beginning of period | 441,850 | 495,112 | 463,744
Cash and cash equivalents at the end of the period | 600,646 | 441,850 | 495,112
Amerco [Member] |  |  |
Cash flow from operating activities: |  |  |
Net earnings | 489,001 | 356,741 | 342,391
Earnings from consolidated subsidiaries | (417,087) | (300,566) | (287,803)
Adjustments to reconcile net earnings to cash provided by operations: |  |  |
Depreciation | $ 6 | $ 6 | 5
Net gain (loss) on sale of investments |  |  | (1,325)
Deferred income taxes | $ 124,838 | $ 66,628 | 34,605
Net change in other operating assets and liabilities: |  |  |
Prepaid expenses | (8,723) | (66,786) | 3,938
Other assets | 6 | 84 | $ (41)
Related party assets | 56,849 | (539) |
Accounts payable and accrued expenses | (14) | 5,239 | $ 6,589
Net cash provided by operating activities | 244,876 | $ 60,807 | 98,359
Cash flow from investing activities: |  |  |
Purchases of property, plant and equipment | $ (8) |  | (2)
Proceeds of equity securities |  |  | 26,569
Net cash used by investing activities | $ (8) |  | 26,567
Cash flow from financing activities: |  |  |
Proceeds from (repayments) of intercompany loans | (76,354) | $ (71,207) | (110,933)
Common stock dividends paid | (78,374) | (19,594) | (19,568)
Net cash provided by financing activities | (154,728) | (90,801) | (130,501)
Increase (decrease) in cash and cash equivalents | 90,140 | (29,994) | (5,575)
Cash and cash equivalents at the beginning of period | 291,550 | 321,544 | 327,119
Cash and cash equivalents at the end of the period | $ 381,690 | $ 291,550 | $ 321,544

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