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v3.22.2

Investments in Companies Accounted for Using the Equity Method (Details) |  |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |  |  |  |
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Mar. 01, 2022 USD ($) | Mar. 01, 2022 JPY (¥) | Oct. 29, 2021 USD ($) | Oct. 29, 2021 JPY (¥) | Aug. 13, 2021 USD ($) | Aug. 13, 2021 JPY (¥) | Jun. 07, 2021 USD ($) | Jun. 07, 2021 JPY (¥) | May 29, 2021 USD ($) | Apr. 30, 2022 USD ($) | Apr. 30, 2021 USD ($) | Apr. 30, 2020 USD ($) | Mar. 31, 2022 USD ($) | Mar. 31, 2022 JPY (¥) | May 29, 2021 JPY (¥) | Dec. 04, 2019 USD ($) | Dec. 04, 2019 JPY (¥) | May 11, 2019 | May 10, 2019 USD ($) | May 10, 2019 JPY (¥) | Feb. 09, 2019 USD ($) | Feb. 09, 2019 JPY (¥) | Feb. 08, 2019 | Jan. 29, 2019 USD ($) | Jan. 29, 2019 JPY (¥) | Apr. 17, 2018 USD ($) | Apr. 17, 2018 JPY (¥) | Dec. 27, 2017 USD ($) | Dec. 27, 2017 JPY (¥)
Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment income (loss), net of tax |  |  |  |  |  |  |  |  |  | $ 4,589,000 | $ (10,481,000) | $ (5,487,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying value of investment |  |  |  |  |  |  |  |  |  | $ 15,433,000 | 7,168,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SoftBank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for purchase of interest | ¥ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 209,500,000 |  |  |  |
HAPSMobile |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  | 7.00% | 7.00% | 5.00% | 10.00% | 10.00% | 10.00% | 10.00% | 5.00% |  |  |  |  | 5.00% | 5.00%
Payments for purchase of interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,982,000 | ¥ 540,050,000 |  | $ 4,569,000 | ¥ 500,000,000 |  |  |  | $ 1,926,000 | ¥ 209,500,000 | $ 1,407,000 | ¥ 150,000,000 | $ 1,860,000 | ¥ 210,000,000
HAPSMobile | Equity method investment loss, net of tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment income (loss), net of tax |  |  |  |  |  |  |  |  |  | $ 0 | 10,530,000 | $ 4,982,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
HAPSMobile | Other assets, long term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying value of investment |  |  |  |  |  |  |  |  |  | 0 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
HAPSMobile | SoftBank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  | 7.00% | 7.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for purchase of interest |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,497,000 | ¥ 808,008,000 |  |  |  |  |  |  | $ 5,671,000 | ¥ 632,800,000 |  |  |  |  |  |  |
Execution of MDDA | ¥ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 500,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
LOON LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of loss from impairment of investment |  |  |  |  |  |  |  |  |  | $ 8,363,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
MDDA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of MDDA |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
MDDA | SoftBank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum value under MDDA |  |  |  |  |  |  |  |  | $ 51,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
MDDA | HAPSMobile |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount funded | $ 4,345,000 | ¥ 503,832,000 | $ 1,674,000 | ¥ 190,000,000 | $ 1,638,000 | ¥ 180,000,000 | $ 1,195,000 | ¥ 130,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss), net of tax. + References No definition available. + Details
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- Definition Loans agreed to be lent by the company to the related party which are convertible in to shares of the investee company. + References No definition available. + Details
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- Definition This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=124268079&loc=d3e32787-111569 + Details
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