EARNINGS PER SHARE (Tables)

12 Months Ended

Sep. 30, 2017

EARNINGS PER SHARE

Schedule of computation of basic and diluted earnings per share

	September 30,
	2017		2016		2015
	(in thousands)
Numerator:
Income (loss) from continuing operations	$	(127,863)	$	(52,990)	$	420,474
Loss from discontinued operations		(349)		(3,838)		(47)
Net income (loss)		(128,212)		(56,828)		420,427
Adjustment for basic earnings per share
Earnings allocated to unvested shareholders		(1,811)		(1,858)		(2,163)
Numerator for basic earnings per share:
From continuing operations		(129,674)		(54,848)		418,311
From discontinued operations		(349)		(3,838)		(47)
		(130,023)		(58,686)		418,264
Adjustment for diluted earnings per share:
Effect of reallocating undistributed earnings of unvested shareholders		—		—		6
Numerator for diluted earnings per share:
From continuing operations		(129,674)		(54,848)		418,317
From discontinued operations		(349)		(3,838)		(47)
	$	(130,023)	$	(58,686)	$	418,270
Denominator:
Denominator for basic earnings per share - weighted-average shares		108,500		107,996		107,754
Effect of dilutive shares from stock options and restricted stock				—		816
Denominator for diluted earnings per share - adjusted weighted-average shares		108,500		107,996		108,570
Basic earnings per common share:
Income (loss) from continuing operations	$	(1.20)	$	(0.50)	$	3.88
Loss from discontinued operations		—		(0.04)		—
Net income (loss)	$	(1.20)	$	(0.54)	$	3.88
Diluted earnings per common share:
Income (loss) from continuing operations	$	(1.20)	$	(0.50)	$	3.85
Loss from discontinued operations		—		(0.04)		—
Net income (loss)	$	(1.20)	$	(0.54)	$	3.85

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

	2017		2016		2015
	(in thousands, except
	per share amounts)
Shares excluded from calculation of diluted earnings per share		1,008		1,788		667
Weighted-average price per share	$	74.38	$	63.73	$	72.85