EARNINGS PER SHARE (Tables)

12 Months Ended

Sep. 30, 2016

EARNINGS PER SHARE

Schedule of computation of basic and diluted earnings per share

	September 30,
	2016			2015 (as adjusted)			2014 (as adjusted)
	(in thousands)
Numerator:
Income (loss) from continuing operations	$	(52,990	)	$	420,474		$	706,610
Loss from discontinued operations		(3,838	)		(47	)		(47	)
Net income (loss)		(56,828	)		420,427			706,563
Adjustment for basic earnings per share
Earnings allocated to unvested shareholders		(1,858	)		(2,163	)		(4,132	)
Numerator for basic earnings per share:
From continuing operations		(54,848	)		418,311			702,478
From discontinued operations		(3,838	)		(47	)		(47	)
		(58,686	)		418,264			702,431
Adjustment for diluted earnings per share:
Effect of reallocating undistributed earnings of unvested shareholders		—			6			30
Numerator for diluted earnings per share:
From continuing operations		(54,848	)		418,317			702,508
From discontinued operations		(3,838	)		(47	)		(47	)
	$	(58,686	)	$	418,270		$	702,461
Denominator:
Denominator for basic earnings per share—weighted-average shares		107,996			107,754			107,800
Effect of dilutive shares from stock options and restricted stock		—			816			1,341
Denominator for diluted earnings per share—adjusted weighted-average shares		107,996			108,570			109,141
Basic earnings per common share:
Income (loss) from continuing operations	$	(0.50	)	$	3.88		$	6.52
Loss from discontinued operations		(0.04	)		—			—
Net income (loss)	$	(0.54	)	$	3.88		$	6.52
Diluted earnings per common share:
Income (loss) from continuing operations	$	(0.50	)	$	3.85		$	6.44
Loss from discontinued operations		(0.04	)		—			—
Net income (loss)	$	(0.54	)	$	3.85		$	6.44

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

	2016		2015		2014
	(in thousands, except per share amounts)
Shares excluded from calculation of diluted earnings per share		1,788		667		215
Weighted-average price per share	$	63.73	$	72.85	$	79.67