Earnings Per Share (Tables)

12 Months Ended

Sep. 30, 2013

Earnings Per Share

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

	Year Ended September 30,
	2013		2012		2011
Numerator:
Net earnings	$	145,942	$	141,589	$	132,235
Denominator:
Basic shares outstanding		68,392		68,880		68,797
Dilutive effect of stock options		1,210		1,427		1,343
Diluted shares outstanding		69,602		70,307		70,140
Income per common share:
Basic earnings per share	$	2.13	$	2.06	$	1.92
Diluted earnings per share	$	2.10	$	2.01	$	1.89

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

	Year Ended September 30,
	2013		2012		2011
Options		44		50		684
Weighted-average option price	$	40.21	$	36.33	$	32.04

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

	Year Ended September 30,
	2013		2012		2011
Weighted-average treasury stock shares held for deferred compensation obligations		256		295		335