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Schedule I - Condensed Financial Information of AMERCO (Statements of Cash Flow) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Mar. 31, 2015
Cash flow from operating activities: |  |  |
Net earnings | $ 398,424 | $ 489,001 | $ 356,741
Earnings from consolidated subsidiaries |  |  |
Adjustments to reconcile net earnings to cash provided by operations: |  |  |
Depreciation | 481,520 | 389,393 | 352,796
Net gain (loss) on sale of investments | (5,284) | (4,491) | (3,925)
Deferred income taxes | 173,112 | 138,075 | 76,500
Net change in other operating assets and liabilities: |  |  |
Prepaid expenses | 9,386 | (10,338) | (65,720)
Other assets | (40,546) | 11,903 | (51)
Related party assets | 343 | 56,644 | 27,706
Accounts payable and accrued expenses | (5,056) | 37,312 | 98,877
Net cash provided by operating activities | 1,020,061 | 1,040,988 | 759,099
Cash flow from investing activities: |  |  |
Purchases of property, plant and equipment | (1,419,505) | (1,509,154) | (1,041,931)
Proceeds of equity securities |  | 2,044 | 3,082
Net cash used by investing activities | (1,144,514) | (1,255,324) | (755,261)
Cash flow from financing activities: |  |  |
Common stock dividends paid | (58,757) | (78,374) | (19,594)
Net Cash Provided by (Used in) Financing Activities | 223,753 | 388,872 | (46,338)
Increase (decrease) in cash and cash equivalents | 97,160 | 158,796 | (53,262)
Cash and cash equivalents at the beginning of period | 600,646 | 441,850 | 495,112
Cash and cash equivalents at the end of the period | 697,806 | 600,646 | 441,850
Amerco [Member] |  |  |
Cash flow from operating activities: |  |  |
Net earnings | 398,424 | 489,001 | 356,741
Earnings from consolidated subsidiaries | (327,773) | (417,087) | (300,566)
Adjustments to reconcile net earnings to cash provided by operations: |  |  |
Depreciation | 10 | 6 | 6
Net gain (loss) on sale of investments | 13 |  |
Deferred income taxes | 173,059 | 124,838 | 66,628
Net change in other operating assets and liabilities: |  |  |
Prepaid expenses | 16,021 | (8,723) | (66,786)
Other assets | (20) | 6 | 84
Related party assets | 1 | 56,849 | (539)
Accounts payable and accrued expenses | (297) | (14) | 5,239
Net cash provided by operating activities | 259,438 | 244,876 | 60,807
Cash flow from investing activities: |  |  |
Purchases of property, plant and equipment | (55) | (8) |
Proceeds of equity securities | 39 |  |
Net cash used by investing activities | (16) | (8) |
Cash flow from financing activities: |  |  |
Proceeds from (repayments) of intercompany loans | (221,124) | (76,354) | (71,207)
Common stock dividends paid | (58,757) | (78,374) | (19,594)
Net Cash Provided by (Used in) Financing Activities | (279,881) | (154,728) | (90,801)
Increase (decrease) in cash and cash equivalents | (20,459) | 90,140 | (29,994)
Cash and cash equivalents at the beginning of period | 381,690 | 291,550 | 321,544
Cash and cash equivalents at the end of the period | $ 361,231 | $ 381,690 | $ 291,550

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