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Share-based payments (Tables)

12 Months Ended

Mar. 31, 2019

Statement [LineItems]

Summary of Share-based Compensation Expense

Share-based compensation expense during the years ended March 31, 2019, 2018 and 2017 is as follows:

		Year ended March 31,
		2019				2018				2017
Share-based compensation expense recorded in		$				$				$
Cost of revenue			4,278				3,770				2,765
Selling and marketing expenses			3,983				2,557				1,723
General and administrative expenses			22,044				24,238				18,548
Total share-based compensation expense		$	30,305			$	30,565			$	23,036

Movements in Number of Options Outstanding under 2006 Incentive Award Plan and Related Weighted Average Exercise Prices

Movements in the number of options outstanding under the 2006 Incentive Award Plan and their related weighted average exercise prices are as follow:

		Shares				Weighted average exercise price				Weighted average remaining contract term (in years)				Aggregate intrinsic value
Outstanding as at March 31, 2017			117,179			$	27.25				0.10			$	163
Exercised			(48,227	)			7.63
Lapsed			(68,952	)			7.87
Outstanding as at March 31, 2018			—			$	—				—			$	—
Exercised			—				—				—				—
Lapsed			—				—				—				—
Outstanding as at March 31, 2019			—				—				—				—
Options exercisable			—			$	—				—			$	—

RSUs dependent on non-market performance condition [member]

Statement [LineItems]

Movements in Number of Shares Outstanding under 2006 and 2016 Incentive Award Plan and Related Weighted Average Fair Values

(i) Movements in the number of RSUs dependent on non-market performance condition outstanding under the 2006 Incentive Award Plan and the 2016 Incentive Award Plan and their related weighted average fair values are as follow:

		Shares				Weighted average fair value				Weighted average remaining contract term (in years)				Aggregate intrinsic value
Outstanding as at March 31, 2017			1,573,246			$	22.47				7.50			$	45,011
Granted			497,689				30.85
Exercised			(961,111	)			21.45
Forfeited			(34,775	)			29.07
Lapsed			(2,216	)			23.47
Outstanding as at March 31, 2018			1,072,833			$	27.05				7.75			$	48,632
Granted			383,229				47.89
Exercised			(422,088	)			28.40
Forfeited			(70,723	)			36.08
Lapsed			(10,856	)			8.22
Outstanding as at March 31, 2019			952,395			$	34.38				7.62			$	50,734
RSUs exercisable			410,948			$	27.40				6.33			$	21,891

RSUs dependent on market performance condition [member]

Statement [LineItems]

Movements in Number of Shares Outstanding under 2006 and 2016 Incentive Award Plan and Related Weighted Average Fair Values

Movements in the number of RSUs dependent on market performance condition outstanding under the 2006 Incentive Award Plan and the 2016 Incentive Award Plan and their related weighted average fair values are as follows:

		Shares				Weighted average fair value				Weighted average remaining contract term (in years)				Aggregate intrinsic value
Outstanding as at March 31, 2017			203,990			$	13.21				8.10			$	5,836
Granted			—
Exercised			—				—
Forfeited			—				—
Lapsed			—				—
Outstanding as at March 31, 2018			203,990			$	13.21				7.10			$	9,247
Granted			—
Exercised			—
Forfeited			—
Lapsed			—
Outstanding as at March 31, 2019			203,990				13.21				6.10			$	10,867
RSUs exercisable			5,000			$	14.30				7.08			$	266

RSUs related total shareholders return [member]

Statement [LineItems]

Movements in Number of Shares Outstanding under 2006 and 2016 Incentive Award Plan and Related Weighted Average Fair Values

Movements in the number of RSUs linked to the TSR condition outstanding under the 2016 Incentive Award Plan and their related weighted average fair values are as follows:

		Shares				Weighted average fair value				Weighted average remaining contract term (in years)				Aggregate intrinsic value
Outstanding as at March 31, 2017			—			$	—				—			$	—
Granted			248,655				36.52
Exercised			—
Forfeited			—
Lapsed			—
Outstanding as at March 31, 2018			248,655			$	36.52				9.08			$	11,272
Granted			166,760				57.20				—				—
Exercised			—				—
Forfeited			(62,040	)			44.15
Lapsed			—				—
Outstanding as at March 31, 2019			353,375				44.94				8.49				18,824
RSUs exercisable			—			$	—				—			$	—

PSUs [member]

Statement [LineItems]

Movements in Number of Shares Outstanding under 2006 and 2016 Incentive Award Plan and Related Weighted Average Fair Values

Movements in the number of PSUs outstanding under the 2006 Incentive Award Plan and the 2016 Incentive Award Plan and their related weighted average fair values are as follow:

		Shares				Weighted average fair value				Weighted average remaining contract term (in years)				Aggregate intrinsic value
Outstanding as at March 31, 2017			1,184,852			$	21.00				7.36			$	33,899
Granted			400,463				30.35
Exercised			(506,660	)			16.79
Forfeited			(18,681	)			29.38
Outstanding as at March 31, 2018			1,059,975			$	26.36				7.51			$	48,048
Granted			199,303				47.54
Exercised			(297,052	)			23.25
Forfeited			(48,467	)			30.06
Outstanding as at March 31, 2019			913,759				29.80				7.13				48,674
PSUs exercisable			272,977			$	21.91				5.59			$	14,541

X

- Definition

The disclosure of information about indirect, by reference to the fair value of the equity instruments granted, measurement of the fair value of goods or services received as consideration for the entity's other equity instruments (ie other than share options).

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The disclosure of the number and weighted average exercise prices of share options. [Refer: Weighted average [member]]

+ References

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The explanation that enables users of financial statements to understand the effect of share-based payment transactions on the entity's profit (loss).

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