Earnings per Share (Tables)

6 Months Ended

Mar. 31, 2014

Earnings per Share

Schedule of computation of basic and diluted earnings per share

	Three Months Ended						Six Months Ended
	March 31,						March 31,
	2014			2013			2014			2013
	(in thousands, except per share amounts)
Numerator:
Income from continuing operations	$	174,589		$	151,067		$	347,771		$	310,678
Income (loss) from discontinued operations	(19		)	13			(19		)	5
Net income	174,570			151,080			347,752			310,683
Adjustment for basic earnings per share:
Earnings allocated to unvested shareholders	(1,035		)	(820		)	(2,027		)	(1,553		)
Numerator for basic earnings per share:
From continuing operations	173,554			150,247			345,744			309,125
From discontinued operations	(19		)	13			(19		)	5
	173,535			150,260			345,725			309,130
Adjustment for diluted earnings per share:
Effect of reallocating undistributed earnings of unvested shareholders	8			10			17			19
Numerator for diluted earnings per share:
From continuing operations	173,562			150,257			345,761			309,144
From discontinued operations	(19		)	13			(19		)	5
	$	173,543		$	150,270		$	345,742		$	309,149
Denominator:
Denominator for basic earnings per share — weighted-average shares	107,692			106,326			107,417			106,094
Effect of dilutive shares from stock options and restricted stock	1,389			1,460			1,528			1,546
Denominator for diluted earnings per share — adjusted weighted-average shares	109,081			107,786			108,945			107,640
Basic earnings per common share:
Income from continuing operations	$	1.61		$	1.41		$	3.22		$	2.91
Income from discontinued operations	—			—			—			—
Net income	$	1.61		$	1.41		$	3.22		$	2.91
Diluted earnings per common share:
Income from continuing operations	$	1.59		$	1.39		$	3.17		$	2.87
Income from discontinued operations	—			—			—			—
Net income	$	1.59		$	1.39		$	3.17		$	2.87

Schedule of shares attributable to outstanding equity awards excluded from the calculation of diluted earnings per share

	Three Months Ended				Six Months Ended
	March 31,				March 31,
	2014		2013		2014		2013
	(in thousands, except per share amounts)
Shares excluded from calculation of diluted earnings per share	215		752		256		365
Weighted-average price per share	$	79.67	$	57.30	$	79.67	$	54.18