Net Income (Loss) Per Ordinary Share

12 Months Ended

Jan. 31, 2019

12. Net Income (Loss) Per Ordinary Share

The following table sets forth the computation of basic and diluted net income (loss) per ordinary share for the periods indicated:

	Year Ended January 31,
	2019			2018		2017
	(in thousands, except share and per share data)
Numerator:
Net income (loss)	$	(30,447	)	$	18,852	$	57,810
Denominator:
Weighted-average ordinary shares - basic		32,713,606			33,224,803		32,671,221
Effect of dilutive securities:
Employee stock options		—			961,797		1,080,864
Restricted stock and restricted stock units		—			390,145		565,068
Employee stock purchase plan		—			6,405		10,571
Weighted-average ordinary shares - diluted		32,713,606			34,583,150		34,327,724
Net income (loss) per ordinary share:
Basic	$	(0.93	)	$	0.57	$	1.77
Diluted	$	(0.93	)	$	0.55	$	1.68

The following weighted-average potentially dilutive securities were excluded from the computation of diluted net income (loss) per ordinary share as their effect would have been antidilutive:

	Year Ended January 31,
	2019		2018		2017
Options to purchase ordinary shares		1,190,607		280,907		343,936
Restricted stock and restricted stock units		1,522,903		907,208		891,952
Employee stock purchase plan		26,831		15,506		14,651
		2,740,341		1,203,621		1,250,539