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Investments - Summary of Investments (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Apr. 01, 2018	Mar. 31, 2018
Categories of financial assets [abstract]
Investments in marketable securities and mutual funds	$ 134,493		$ 99,954
Investment in fixed deposits	15,907		21,548
Current investments	67,913	$ 120,960	120,960
Non-current investments	82,487	$ 542	542
Total	$ 150,400		$ 121,502

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- Definition

The amount of current investments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method]

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- Definition

The amount of non-current financial assets available-for-sale. [Refer: Financial assets available-for-sale; Non-current financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The amount of short-term deposits held by the entity that are not classified as cash equivalents. [Refer: Cash equivalents]

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Marketable securities represent liquid investments and are acquired principally for the purpose of earning daily dividend income. Investments in mutual funds represent investments in mutual fund schemes wherein the mutual fund issuer has invested these funds in enterprise development funds. These investments are current non-derivative financial assets that are designated as available for sale.

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