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Share-based Payments - Summary of Share-based Compensation Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Share-based compensation expense	$ 30,305	$ 30,565	$ 23,036
Cost of revenue [member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Share-based compensation expense	4,278	3,770	2,765
Selling and marketing expenses [member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Share-based compensation expense	3,983	2,557	1,723
General and administrative expenses [member]
Disclosure of terms and conditions of share-based payment arrangement [Line Items]
Share-based compensation expense	$ 22,044	$ 24,238	$ 18,548

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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- Definition

The amount of expense from share-based payment transactions with employees.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2018-03-16

+ Details

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- Details

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