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Financial Instruments and Derivative Financial Instruments - Additional Information (Detail) - USD ($) $ in Thousands | Mar. 31, 2020 | Mar. 31, 2019
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Derivative Instruments And Hedging Activities Disclosure [Abstract] |  |
Letters of credit outstanding amount | $ 13,328 | $ 8,503

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- References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant