Earnings per share (Tables)

12 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Schedule of Basic Earnings Per Share

The net income and weighted average number of shares used in the calculation of basic and diluted earnings per share are as follows (in thousands, except per share data):

	As of March 31,
	2018		2019		2020
Ordinary Shares:
Income attributable to ordinary shareholders	$	13,947	$	14,810	$	10,987
Weighted average number of ordinary shares in issue	561,088		563,578		553,653
Basic earnings per share	$	0.02	$	0.03	$	0.02
American Depository Shares*:
Income attributable to ordinary shareholders	$	13,947	$	14,810	$	10,987
Weighted average number of American Depository Shares in issue	22,444		22,543		22,146
Basic earnings per American Depository Share	$	0.62	$	0.66	$	0.50

* One American Depository Share is the equivalent of 25 ordinary shares.

Schedule of Diluted Earnings Per Share

	As of March 31,
	2018		2019		2020
Diluted income attributable to ordinary shareholders	$	13,947	$	14,810	$	10,987
Weighted average number of ordinary shares in issue	561,088		563,578		553,653
Adjusted for:
– potentially dilutive effect of stock appreciation rights	6,284		16,245		12,560
– potentially dilutive effect of stock options	5,452		3,918		1,666
Diluted weighted average number of ordinary shares in issue	572,824		583,741		567,879
Diluted earnings per share	$	0.02	$	0.03	$	0.02
American Depository Shares*:
Diluted income attributable to ordinary shareholders	$	13,947	$	14,810	$	10,987
Diluted weighted average number of American Depository Shares in issue	22,913		23,350		22,715
Diluted earnings per American Depository Share	$	0.61	$	0.63	$	0.48

* One American Depository Share is the equivalent of 25 ordinary shares.