Earnings per Share (Tables)

3 Months Ended

Dec. 31, 2017

Earnings per Share

Schedule of computation of basic and diluted earnings per share

	Three Months Ended
	December 31,
	2017		2016
	(in thousands, except per share amounts)
Numerator:
Income (loss) from continuing operations	$	500,642	$	(34,554)
Loss from discontinued operations		(536)		(509)
Net income (loss)		500,106		(35,063)
Adjustment for basic earnings per share
Earnings allocated to unvested shareholders		(3,537)		(446)
Numerator for basic earnings per share:
From continuing operations		497,105		(35,000)
From discontinued operations		(536)		(509)
		496,569		(35,509)
Adjustment for diluted earnings per share:
Effect of reallocating undistributed earnings of unvested shareholders		10		—
Numerator for diluted earnings per share:
From continuing operations		497,115		(35,000)
From discontinued operations		(536)		(509)
	$	496,579	$	(35,509)
Denominator:
Denominator for basic earnings per share - weighted-average shares		108,683		108,276
Effect of dilutive shares from stock options and restricted stock		412		—
Denominator for diluted earnings per share - adjusted weighted-average shares		109,095		108,276
Basic earnings per common share:
Income (loss) from continuing operations	$	4.57	$	(0.33)
Loss from discontinued operations		—		—
Net income (loss)	$	4.57	$	(0.33)
Diluted earnings per common share:
Income (loss) from continuing operations	$	4.55	$	(0.33)
Loss from discontinued operations		—		—
Net income (loss)	$	4.55	$	(0.33)

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

	Three Months Ended
	December 31,
	2017		2016
	(in thousands, except per share amounts)
Shares excluded from calculation of diluted earnings per share		3,377		555
Weighted-average price per share	$	63.47	$	80.63