Commitments and Contingencies - Additional Information (Details) - claim |
12 Months Ended | |||||
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Mar. 31, 2016 |
Mar. 31, 2021 |
Mar. 31, 2020 |
Mar. 31, 2019 |
Mar. 31, 2018 |
Mar. 31, 2017 |
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| Loss Contingencies [Line Items] | ||||||
| Number of pending claims | 426 | 360 | 393 | 332 | 336 | 352 |
| New Zealand | Subsidiaries | New Zealand Weathertightness | ||||||
| Loss Contingencies [Line Items] | ||||||
| Number of claims | 4 | |||||
| Number of pending claims | 3 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The total number of new claims filed pertaining to a loss contingency during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of pending claims pertaining to a loss contingency. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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