Net Income Per Ordinary Share (Tables)

12 Months Ended

Jan. 31, 2017

Computation of Basic and Diluted Net Income Per Ordinary Share

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

	Year Ended January 31,
	2017		2016			2015
	(in thousands, except share and per share data)
Numerator:
Net income	$	57,810	$	76,508		$	50,571
Less: amount allocable to unvested early exercised options		—		—			(11	)
Net income allocable to ordinary shareholders - basic	$	57,810	$	76,508		$	50,560
Undistributed earnings reallocated to ordinary shareholders		—		—			1
Net income allocable to ordinary shareholders - diluted	$	57,810	$	76,508		$	50,561
Denominator:
Weighted-average ordinary shares outstanding		32,671,221		31,633,992			29,749,354
Less: weighted-average unvested early exercised options subject to repurchase		—		(56	)		(6,701	)
Weighted-average ordinary shares - basic		32,671,221		31,633,936			29,742,653
Effect of potentially dilutive securities:
Employee stock options		1,080,864		1,245,341			1,818,401
Restricted stock and restricted stock units		565,068		865,863			704,788
Employee stock purchase plan		10,571		10,569			12,285
Weighted-average ordinary shares - diluted		34,327,724		33,755,709			32,278,127
Net income per ordinary share:
Basic	$	1.77	$	2.42		$	1.70
Diluted	$	1.68	$	2.27		$	1.57

Weighted-Average Potentially Dilutive Securities Excluded from Computation of Diluted Net Income Per Ordinary Share

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

	Year Ended January 31,
	2017		2016		2015
Options to purchase ordinary shares		343,936		109,958		217,514
Restricted stock and restricted stock units		891,952		163,994		167,702
Employee stock purchase plan		14,651		9,073		36,110
Early exercised options subject to repurchase		—		56		6,701
		1,250,539		283,081		428,027