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Consolidating financial information by industry segment (Statements of Operations) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Revenues: |  |  |  |
Self-moving equipment rentals | $ 621,471 | $ 626,136 | $ 2,174,392 | $ 2,124,451
Self-storage revenues | 106,701 | 93,392 | 309,940 | 271,097
Self moving and self-storage products and service sales | 54,454 | 55,665 | 207,601 | 207,819
Property management fees | 9,098 | 7,899 | 23,487 | 22,507
Life insurance premiums | 31,164 | 34,778 | 96,229 | 107,586
Property and casualty insurance premiums | 19,267 | 17,668 | 51,056 | 46,732
Net investment and interest income | 33,782 | 32,211 | 102,629 | 85,043
Other revenue | 51,943 | 51,342 | 192,009 | 177,940
Total revenues | 927,880 | 919,091 | 3,157,343 | 3,043,175
Costs and expenses: |  |  |  |
Operating expenses | 517,453 | 478,461 | 1,617,338 | 1,504,365
Commission expenses | 66,542 | 67,493 | 233,540 | 232,084
Cost of sales | 35,318 | 34,149 | 128,177 | 130,432
Benefits and losses | 42,864 | 42,869 | 137,695 | 137,196
Amortization of deferred policy acquisition costs | 8,046 | 6,654 | 20,625 | 18,584
Lease expense | 6,490 | 7,890 | 19,882 | 24,229
Depreciation, net of (gains) losses on disposals | 170,074 | 143,473 | 462,227 | 402,525
Net (gains) losses on disposal of real estate | 528 | 0 | (1,311) | 10
Total costs and expenses | 847,315 | 780,989 | 2,618,173 | 2,449,425
Earnings (loss) from operations before equity in earnings of subsidiaries | 80,565 | 138,102 | 539,170 | 593,750
Equity in earnings of subsidiaries | 0 | 0 | 0 | 0
Earnings from operations | 80,565 | 138,102 | 539,170 | 593,750
Pretax earnings | 40,329 | 103,022 | 420,397 | 487,879
Earnings available to common stockholders | 30,932 | 78,635 | 319,680 | 370,026
Operating Segments [Member] | Moving and Storage Consolidations [Member] |  |  |  |
Revenues: |  |  |  |
Self-moving equipment rentals | 622,902 | 627,543 | 2,177,697 | 2,128,120
Self-storage revenues | 106,701 | 93,392 | 309,940 | 271,097
Self moving and self-storage products and service sales | 54,454 | 55,665 | 207,601 | 207,819
Property management fees | 9,098 | 7,899 | 23,487 | 22,507
Life insurance premiums | 0 | 0 | 0 | 0
Property and casualty insurance premiums | 0 | 0 | 0 | 0
Net investment and interest income | 2,351 | 4,364 | 8,649 | 9,757
Other revenue | 50,858 | 50,065 | 188,940 | 174,447
Total revenues | 846,364 | 838,928 | 2,916,314 | 2,813,747
Costs and expenses: |  |  |  |
Operating expenses | 505,473 | 465,828 | 1,580,705 | 1,467,831
Commission expenses | 66,542 | 67,493 | 233,540 | 232,084
Cost of sales | 35,318 | 34,149 | 128,177 | 130,432
Benefits and losses | 0 | 0 | 0 | 0
Amortization of deferred policy acquisition costs | 0 | 0 | 0 | 0
Lease expense | 6,660 | 8,026 | 20,324 | 24,637
Depreciation, net of (gains) losses on disposals | 170,074 | 143,473 | 462,227 | 402,525
Net (gains) losses on disposal of real estate | 528 |  | (1,311) | 10
Total costs and expenses | 784,595 | 718,969 | 2,423,662 | 2,257,519
Earnings (loss) from operations before equity in earnings of subsidiaries | 61,769 | 119,959 | 492,652 | 556,228
Equity in earnings of subsidiaries | 15,196 | 14,664 | 37,941 | 30,306
Earnings from operations | 76,965 | 134,623 | 530,593 | 586,534
Other components of net periodic benefit costs | (263) | (253) | (790) | (760)
Interest expense | (40,251) | (35,114) | (118,819) | (105,974)
Pretax earnings | 36,451 | 99,256 | 410,984 | 479,800
Income tax expense | (5,519) | (20,621) | (91,304) | (109,774)
Earnings available to common stockholders | 30,932 | 78,635 | 319,680 | 370,026
Operating Segments [Member] | Property and Casualty Insurance [Member] |  |  |  |
Revenues: |  |  |  |
Self-moving equipment rentals | 0 | 0 | 0 | 0
Self-storage revenues | 0 | 0 | 0 | 0
Self moving and self-storage products and service sales | 0 | 0 | 0 | 0
Property management fees | 0 | 0 | 0 | 0
Life insurance premiums | 0 | 0 | 0 | 0
Property and casualty insurance premiums | 20,040 | 18,128 | 53,370 | 48,448
Net investment and interest income | 5,326 | 4,018 | 15,829 | 10,109
Other revenue | 0 | 0 | 0 | 0
Total revenues | 25,366 | 22,146 | 69,199 | 58,557
Costs and expenses: |  |  |  |
Operating expenses | 9,309 | 9,412 | 26,785 | 26,027
Commission expenses | 0 | 0 | 0 | 0
Cost of sales | 0 | 0 | 0 | 0
Benefits and losses | 6,173 | 1,733 | 14,972 | 10,957
Amortization of deferred policy acquisition costs | 0 | 0 | 0 | 0
Lease expense | 0 | 0 | 0 | 0
Depreciation, net of (gains) losses on disposals | 0 | 0 | 0 | 0
Net (gains) losses on disposal of real estate | 0 |  | 0 | 0
Total costs and expenses | 15,482 | 11,145 | 41,757 | 36,984
Earnings (loss) from operations before equity in earnings of subsidiaries | 9,884 | 11,001 | 27,442 | 21,573
Equity in earnings of subsidiaries | 0 | 0 | 0 | 0
Earnings from operations | 9,884 | 11,001 | 27,442 | 21,573
Other components of net periodic benefit costs | 0 | 0 | 0 | 0
Interest expense | 0 | 0 | 0 | 0
Pretax earnings | 9,884 | 11,001 | 27,442 | 21,573
Income tax expense | (2,083) | (2,186) | (5,725) | (4,359)
Earnings available to common stockholders | 7,801 | 8,815 | 21,717 | 17,214
Operating Segments [Member] | Life Insurance [Member] |  |  |  |
Revenues: |  |  |  |
Self-moving equipment rentals | 0 | 0 | 0 | 0
Self-storage revenues | 0 | 0 | 0 | 0
Self moving and self-storage products and service sales | 0 | 0 | 0 | 0
Property management fees | 0 | 0 | 0 | 0
Life insurance premiums | 31,164 | 34,778 | 96,229 | 107,586
Property and casualty insurance premiums | 0 | 0 | 0 | 0
Net investment and interest income | 26,550 | 24,248 | 79,416 | 66,435
Other revenue | 1,175 | 1,409 | 3,424 | 3,889
Total revenues | 58,889 | 60,435 | 179,069 | 177,910
Costs and expenses: |  |  |  |
Operating expenses | 4,962 | 5,216 | 15,809 | 16,275
Commission expenses | 0 | 0 | 0 | 0
Cost of sales | 0 | 0 | 0 | 0
Benefits and losses | 36,691 | 41,136 | 122,723 | 126,239
Amortization of deferred policy acquisition costs | 8,046 | 6,654 | 20,625 | 18,584
Lease expense | 0 | 0 | 0 | 0
Depreciation, net of (gains) losses on disposals | 0 | 0 | 0 | 0
Net (gains) losses on disposal of real estate | 0 |  | 0 | 0
Total costs and expenses | 49,699 | 53,006 | 159,157 | 161,098
Earnings (loss) from operations before equity in earnings of subsidiaries | 9,190 | 7,429 | 19,912 | 16,812
Equity in earnings of subsidiaries | 0 | 0 | 0 | 0
Earnings from operations | 9,190 | 7,429 | 19,912 | 16,812
Other components of net periodic benefit costs | 0 | 0 | 0 | 0
Interest expense | 0 | 0 | 0 | 0
Pretax earnings | 9,190 | 7,429 | 19,912 | 16,812
Income tax expense | (1,795) | (1,580) | (3,688) | (3,720)
Earnings available to common stockholders | 7,395 | 5,849 | 16,224 | 13,092
Consolidation, Eliminations [Member] |  |  |  |
Revenues: |  |  |  |
Self-moving equipment rentals | (1,431) | (1,407) | (3,305) | (3,669)
Self-storage revenues | 0 | 0 | 0 | 0
Self moving and self-storage products and service sales | 0 | 0 | 0 | 0
Property management fees | 0 | 0 | 0 | 0
Life insurance premiums | 0 | 0 | 0 | 0
Property and casualty insurance premiums | (773) | (460) | (2,314) | (1,716)
Net investment and interest income | (445) | (419) | (1,265) | (1,258)
Other revenue | (90) | (132) | (355) | (396)
Total revenues | (2,739) | (2,418) | (7,239) | (7,039)
Costs and expenses: |  |  |  |
Operating expenses | (2,291) | (1,995) | (5,961) | (5,768)
Commission expenses | 0 | 0 | 0 | 0
Cost of sales | 0 | 0 | 0 | 0
Benefits and losses | 0 | 0 | 0 | 0
Amortization of deferred policy acquisition costs | 0 | 0 | 0 | 0
Lease expense | (170) | (136) | (442) | (408)
Depreciation, net of (gains) losses on disposals | 0 | 0 | 0 | 0
Net (gains) losses on disposal of real estate | 0 |  | 0 | 0
Total costs and expenses | (2,461) | (2,131) | (6,403) | (6,176)
Earnings (loss) from operations before equity in earnings of subsidiaries | (278) | (287) | (836) | (863)
Equity in earnings of subsidiaries | (15,196) | (14,664) | (37,941) | (30,306)
Earnings from operations | (15,474) | (14,951) | (38,777) | (31,169)
Other components of net periodic benefit costs | 0 | 0 | 0 | 0
Interest expense | 278 | 287 | 836 | 863
Pretax earnings | (15,196) | (14,664) | (37,941) | (30,306)
Income tax expense | 0 | 0 | 0 | 0
Earnings available to common stockholders | $ (15,196) | $ (14,664) | $ (37,941) | $ (30,306)

X
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- Definition This company-specific concept is a combination of two separate concepts in the US-GAAP taxonomy. (1) Other Real Estate Revenue: "Other real estate revenue not otherwise specified in the taxonomy." (2) Contracts Revenue: "Revenue earned during the period arising from products sold or services provided under the terms of a contract, not elsewhere specified in the taxonomy. May include government contracts, construction contracts, and any other contract related to a particular project or product. + References No definition available. + Details
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