Earnings Per Share (Tables)

12 Months Ended

Sep. 30, 2019

Earnings Per Share

Reconciliation of Net Earnings to Net Earnings Per Share Basic and Diluted

	Year Ended September 30,
	2019		2018		2017
Numerator:
Net earnings	$	259,602	$	180,378	$	200,507
Denominator:
Basic shares outstanding		61,950		61,493		61,366
Dilutive effect of stock options and restricted stock units		2,548		2,383		2,146
Diluted shares outstanding		64,498		63,876		63,512
Income per common share:
Basic earnings per share	$	4.19	$	2.93	$	3.27
Diluted earnings per share	$	4.02	$	2.82	$	3.16

Anti-dilutive Stock Options Excluded from Computation of Earnings Per Share

	Year Ended September 30,
	2019		2018		2017
Options		25		760		68
Weighted-average option price	$	96.54	$	78.72	$	63.23

Schedule of Treasury Stock Shares Held for Deferred Compensation Included in Basic and Diluted Shares Outstanding

	Year Ended September 30,
	2019		2018		2017
Weighted-average treasury stock shares held for deferred compensation obligations		208		198		180