Earnings per Share (Tables)

12 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Reconciliation of Numerators and Denominators of Basic and Diluted Earnings Per Share

The following table presents reconciliations for the numerators and denominators of basic and diluted earnings per share (“EPS”) during fiscal 2018, 2017 and 2016:

	Year Ended September 30,
	2018		2017		2016
	(In thousands, except per share data)
Numerator for basic and diluted earnings per share — net income	$	142,415	$	128,256	$	109,448
Denominator — share:
Basic weighted-average shares	29,711		30,862		31,129
Effect of dilutive securities	1,469		1,383		1,179
Diluted weighted-average shares	31,180		32,245		32,308
Earnings per share:
Basic	$	4.79	$	4.16	$	3.52
Diluted	$	4.57	$	3.98	$	3.39