Earnings Per Share (Tables)

12 Months Ended

Sep. 30, 2016

The following table sets forth the computation of basic and diluted earnings per share:


	Year Ended September 30,
	2016			2015			2014
Numerator:
Net income	$	409,331		$	446,163		$	422,122
Less-net income and dividends attributable to participating restricted shares		(3,592	)		(4,597	)		(4,837	)

Numerator for basic earnings per common share	$	405,739		$	441,566		$	417,285

Add-undistributed income allocated to participating restricted shares		2,604			3,539			3,753
Less-undistributed income reallocated to participating restricted shares		(2,569	)		(3,485	)		(3,698	)

Numerator for diluted earnings per common share	$	405,774		$	441,620		$	417,340

Denominator:
Weighted average number of shares outstanding — basic		149,168			154,423			159,012
Less-weighted average number of participating restricted shares		(1,309	)		(1,591	)		(1,822	)

Weighted average number of common shares — basic		147,859			152,832			157,190

Effect of assumed conversion of 0.5% convertible notes		5			14			20
Effect of dilutive stock options granted		2,002			2,372			2,334

Weighted average number of common shares — diluted		149,866			155,218			159,544

Basic earnings per common share	$	2.74		$	2.89		$	2.65

Diluted earnings per common share	$	2.71		$	2.85		$	2.62