Net Income Per Ordinary Share (Tables)

3 Months Ended

Apr. 30, 2015

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:

	Three Months Ended April 30,
	2015			2014
	(in thousands, except share and per share data)
Numerator:
Net income	$	18,854		$	5,260
Less: amount allocable to unvested early exercised options		—			(2	)
Net income allocable to ordinary shareholders - basic	$	18,854		$	5,258
Undistributed earnings reallocated to ordinary shareholders		—			—
Net income allocable to ordinary shareholders - diluted	$	18,854		$	5,258
Denominator:
Weighted-average ordinary shares outstanding		31,099,137			28,986,938
Less: weighted-average unvested early exercised options subject to repurchase		(56	)		(10,599	)
Weighted-average ordinary shares - basic		31,099,081			28,976,339
Effect of potentially dilutive securities:
Employee stock options		1,397,695			2,110,757
Restricted stock units		961,284			655,502
Employee stock purchase plan		14,249			21,395
Weighted-average ordinary shares - diluted		33,472,309			31,763,993
Net income per ordinary share:
Basic	$	0.61		$	0.18
Diluted	$	0.56		$	0.17

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:

	Three Months Ended April 30,
	2015		2014
Options to purchase ordinary shares		71,433		119,467
Restricted stock units		—		31,355
Employee stock purchase plan		13,428		31,443
Early exercised options subject to repurchase		56		10,599
		84,917		192,864