Net Income Per Share (Tables)

9 Months Ended

Jun. 30, 2020

Net Income Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table sets forth the computation of basic and diluted net income per share (in thousands, except per share data):

	Three months ended June 30,				Nine months ended June 30,
	2020		2019		2020		2019
Numerator
Net income	$	69,872	$	85,905	$	229,778	$	332,897
Denominator
Weighted average shares outstanding — basic	60,978		59,981		60,831		59,963
Dilutive effect of common shares from stock options and restricted stock units	437		215		351		409
Weighted average shares outstanding — diluted	61,415		60,196		61,182		60,372
Basic net income per share	$	1.15	$	1.43	$	3.78	$	5.55
Diluted net income per share	$	1.14	$	1.43	$	3.76	$	5.51