GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Tables)

12 Months Ended

Sep. 30, 2017

GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION

Schedule of Consolidated Condensed Statements of Operations

CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS

(in thousands)

	Year Ended September 30, 2017
	Guarantor/		Issuer		Non-Guarantor				Total
	Parent		Subsidiary		Subsidiaries		Eliminations		Consolidated
Operating revenue	$	—	$	1,575,787	$	229,021	$	(67)	$	1,804,741
Operating costs and other		16,566		1,707,473		254,125		(882)		1,977,282
Operating income (loss) from continuing operations		(16,566)		(131,686)		(25,104)		815		(172,541)
Other income (expense), net		(240)		7,342		1,403		(815)		7,690
Interest expense		(398)		(20,136)		787		—		(19,747)
Equity in net income (loss) of subsidiaries		(116,212)		(8,012)		—		124,224		—
Loss from continuing operations before income taxes		(133,416)		(152,492)		(22,914)		124,224		(184,598)
Income tax benefit		(5,204)		(38,600)		(12,931)		—		(56,735)
Loss from continuing operations		(128,212)		(113,892)		(9,983)		124,224		(127,863)
Income from discontinued operations before income taxes		—		—		3,285		—		3,285
Income tax provision		—		—		3,634		—		3,634
Loss from discontinued operations		—		—		(349)		—		(349)
Net loss	$	(128,212)	$	(113,892)	$	(10,332)	$	124,224	$	(128,212)

CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS

(in thousands)

	Year Ended September 30, 2016
	Guarantor/		Issuer		Non-Guarantor				Total
	Parent		Subsidiary		Subsidiaries		Eliminations		Consolidated
Operating revenue	$	—	$	1,373,511	$	250,791	$	(70)	$	1,624,232
Operating costs and other		13,145		1,358,269		280,107		(1,323)		1,650,198
Operating income (loss) from continuing operations		(13,145)		15,242		(29,316)		1,253		(25,966)
Other expense, net		(194)		(22,243)		(98)		(1,253)		(23,788)
Interest expense		(375)		(20,256)		(2,282)		—		(22,913)
Equity in net income (loss) of subsidiaries		(47,166)		(14,472)		—		61,638		—
Loss from continuing operations before income taxes		(60,880)		(41,729)		(31,696)		61,638		(72,667)
Income tax provision (benefit)		(4,052)		5,127		(20,752)		—		(19,677)
Loss from continuing operations		(56,828)		(46,856)		(10,944)		61,638		(52,990)
Income from discontinued operations before income taxes		—		—		2,360		—		2,360
Income tax provision		—		—		6,198		—		6,198
Loss from discontinued operations		—		—		(3,838)		—		(3,838)
Net loss	$	(56,828)	$	(46,856)	$	(14,782)	$	61,638	$	(56,828)

CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS

(in thousands)

	Year Ended September 30, 2015
	Guarantor/		Issuer		Non-Guarantor				Total
	Parent		Subsidiary		Subsidiaries		Eliminations		Consolidated
Operating revenue	$	—	$	2,735,863	$	425,914	$	(75)	$	3,161,702
Operating costs and other		10,875		2,037,465		444,503		(3,104)		2,489,739
Operating income (loss) from continuing operations		(10,875)		698,398		(18,589)		3,029		671,963
Other income (expense), net		(91)		7,523		536		(3,029)		4,939
Interest expense		(159)		(8,955)		(5,909)		—		(15,023)
Equity in net income of subsidiaries		427,342		(13,128)		—		(414,214)		—
Income (loss) from continuing operations before income taxes		416,217		683,838		(23,962)		(414,214)		661,879
Income tax provision		(4,210)		258,536		(12,921)		—		241,405
Income (loss) from continuing operations		420,427		425,302		(11,041)		(414,214)		420,474
Loss from discontinued operations before income taxes		—		—		(124)		—		(124)
Income tax benefit		—		—		(77)		—		(77)
Loss from discontinued operations		—		—		(47)		—		(47)
Net income (loss)	$	420,427	$	425,302	$	(11,088)	$	(414,214)	$	420,427

Schedule of Consolidated Condensed Statements of Comprehensive Income

CONDENSED CONSOLIDATING STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

(in thousands)

	Year Ended September 30, 2017
	Guarantor/		Issuer		Non-Guarantor				Total
	Parent		Subsidiary		Subsidiaries		Eliminations		Consolidated
Net loss	$	(128,212)	$	(113,892)	$	(10,332)	$	124,224	$	(128,212)
Other comprehensive income, net of income taxes:
Unrealized depreciation on securities, net		—		(829)		—		—		(829)
Minimum pension liability adjustments, net		860		2,473		—		—		3,333
Other comprehensive income		860		1,644		—		—		2,504
Comprehensive loss	$	(127,352)	$	(112,248)	$	(10,332)	$	124,224	$	(125,708)

CONDENSED CONSOLIDATING STATEMENTS OF COMPREHENSIVE INCOME

(in thousands)

	Year Ended September 30, 2016
	Guarantor/		Issuer		Non-Guarantor				Total
	Parent		Subsidiary		Subsidiaries		Eliminations		Consolidated
Net loss	$	(56,828)	$	(46,856)	$	(14,782)	$	61,638	$	(56,828)
Other comprehensive loss, net of income taxes:
Unrealized appreciation on securities, net		—		2,772		—		—		2,772
Reclassification of realized losses in net income, net		—		926		—		—		926
Minimum pension liability adjustments, net		(63)		(2,462)		—		—		(2,525)
Other comprehensive income (loss)		(63)		1,236		—		—		1,173
Comprehensive loss	$	(56,891)	$	(45,620)	$	(14,782)	$	61,638	$	(55,655)

CONDENSED CONSOLIDATING STATEMENTS OF COMPREHENSIVE INCOME

(in thousands)

	Year Ended September 30, 2015
	Guarantor/		Issuer		Non-Guarantor				Total
	Parent		Subsidiary		Subsidiaries		Eliminations		Consolidated
Net income (loss)	$	420,427	$	425,302	$	(11,088)	$	(414,214)	$	420,427
Other comprehensive loss, net of income taxes:
Unrealized depreciation on securities, net		—		(80,217)		—		—		(80,217)
Minimum pension liability adjustments, net		(666)		(3,620)		—		—		(4,286)
Other comprehensive loss		(666)		(83,837)		—		—		(84,503)
Comprehensive income (loss)	$	419,761	$	341,465	$	(11,088)	$	(414,214)	$	335,924

Schedule of Consolidated Condensed Balance Sheets

CONDENSED CONSOLIDATING BALANCE SHEETS

(in thousands)

	September 30, 2017
	Guarantor/		Issuer		Non-Guarantor				Total
	Parent		Subsidiary		Subsidiaries		Eliminations		Consolidated
ASSETS
Current assets:
Cash and cash equivalents	$	(587)	$	508,091	$	13,871	$	—	$	521,375
Short-term investments		—		44,491		—		—		44,491
Accounts receivable, net of reserve		766		411,599		64,714		(5)		477,074
Inventories		—		102,470		34,734		—		137,204
Prepaid expenses and other		12,200		6,383		36,979		(442)		55,120
Current assets of discontinued operations		—		—		3		—		3
Total current assets		12,379		1,073,034		150,301		(447)		1,235,267
Investments		13,853		70,173		—		—		84,026
Property, plant and equipment, net		49,851		4,609,144		342,056		—		5,001,051
Intercompany		90,885		1,746,662		248,540		(2,086,087)		—
Goodwill		—		—		51,705		—		51,705
Intangible assets, net of amortization		—		—		50,785		—		50,785
Other assets		4,955		3,839		8,360		—		17,154
Investment in subsidiaries		5,470,050		183,382		—		(5,653,432)		—
Total assets	$	5,641,973	$	7,686,234	$	851,747	$	(7,739,966)	$	6,439,988
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	82,360	$	48,679	$	4,589	$	—	$	135,628
Accrued liabilities		26,698		148,491		33,941		(447)		208,683
Current liabilities of discontinued operations		—		—		74		—		74
Total current liabilities		109,058		197,170		38,604		(447)		344,385
Noncurrent liabilities:
Long-term debt		—		492,902		—		—		492,902
Deferred income taxes		(11,201)		1,286,381		57,509		—		1,332,689
Intercompany		1,354,068		210,823		521,096		(2,085,987)		—
Other		25,457		43,471		32,481		—		101,409
Noncurrent liabilities of discontinued operations		—		—		4,012		—		4,012
Total noncurrent liabilities		1,368,324		2,033,577		615,098		(2,085,987)		1,931,012
Shareholders’ equity:
Common stock		11,196		100		—		(100)		11,196
Additional paid-in capital		487,248		52,437		1,039		(53,476)		487,248
Retained earnings		3,855,686		5,396,212		197,006		(5,593,218)		3,855,686
Accumulated other comprehensive income		2,300		6,738		—		(6,738)		2,300
Treasury stock, at cost		(191,839)		—		—		—		(191,839)
Total shareholders’ equity		4,164,591		5,455,487		198,045		(5,653,532)		4,164,591
Total liabilities and shareholders’ equity	$	5,641,973	$	7,686,234	$	851,747	$	(7,739,966)	$	6,439,988

CONDENSED CONSOLIDATING BALANCE SHEETS

(in thousands)

	September 30, 2016
	Guarantor/		Issuer		Non-Guarantor				Total
	Parent		Subsidiary		Subsidiaries		Eliminations		Consolidated
ASSETS
Current assets:
Cash and cash equivalents	$	(955)	$	899,028	$	7,488	$	—	$	905,561
Short-term investments		—		44,148		—		—		44,148
Accounts receivable, net of reserve		2		325,325		51,121		(1,279)		375,169
Inventories		—		87,946		36,379		—		124,325
Prepaid expenses and other		6,928		20,625		71,753		(21,239)		78,067
Assets held for sale		—		18,471		26,881		—		45,352
Current assets of discontinued operations		—		—		64		—		64
Total current assets		5,975		1,395,543		193,686		(22,518)		1,572,686
Investments		13,431		71,524		—		—		84,955
Property, plant and equipment, net		59,173		4,716,736		368,824		—		5,144,733
Intercompany		16,147		1,399,323		260,939		(1,676,409)		—
Goodwill		—		—		4,718		—		4,718
Intangible assets, net of amortization		—		—		919		—		919
Other assets		233		267		23,508		—		24,008
Investment in subsidiaries		5,579,713		208,118		—		(5,787,831)		—
Total assets	$	5,674,672	$	7,791,511	$	852,594	$	(7,486,758)	$	6,832,019
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	80,000	$	10,868	$	5,828	$	(1,274)	$	95,422
Accrued liabilities		1,822		176,985		35,598		20,234		234,639
Current liabilities of discontinued operations		—		—		59		—		59
Total current liabilities		81,822		187,853		41,485		18,960		330,120
Noncurrent liabilities:
Long-term debt		—		491,847		—		—		491,847
Deferred income taxes		(5,930)		1,303,324		45,062		—		1,342,456
Intercompany		1,016,673		209,276		491,838		(1,717,787)		—
Other		21,182		36,379		45,220		—		102,781
Noncurrent liabilities of discontinued operations		—		—		3,890		—		3,890
Total noncurrent liabilities		1,031,925		2,040,826		586,010		(1,717,787)		1,940,974
Shareholders’ equity:
Common stock		11,140		100		—		(100)		11,140
Additional paid-in capital		448,452		47,533		549		(48,082)		448,452
Retained earnings		4,289,807		5,510,105		224,550		(5,734,655)		4,289,807
Accumulated other comprehensive income (loss)		(204)		5,094		—		(5,094)		(204)
Treasury stock, at cost		(188,270)		—		—		—		(188,270)
Total shareholders’ equity		4,560,925		5,562,832		225,099		(5,787,931)		4,560,925
Total liabilities and shareholders’ equity	$	5,674,672	$	7,791,511	$	852,594	$	(7,486,758)	$	6,832,019

Schedule of Consolidated Condensed Statements of Cash Flows

CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS

(in thousands)

	September 30, 2017
	Guarantor/		Issuer		Non-Guarantor				Total
	Parent		Subsidiary		Subsidiaries		Eliminations		Consolidated
Net cash provided by (used in) operating activities	$	(3,828)	$	349,929	$	11,116	$	—	$	357,217
INVESTING ACTIVITIES:
Capital expenditures		(4,264)		(387,392)		(5,911)		—		(397,567)
Purchase of short-term investments		—		(69,866)		—		—		(69,866)
Acquisition of business, net cash received		(70,416)		—		—		—		(70,416)
Proceeds from sale of short-term investments		—		69,449		—		—		69,449
Intercompany transfers		74,680		(74,680)		—		—		—
Proceeds from asset sales		—		22,724		688		—		23,412
Net cash used in investing activities		—		(439,765)		(5,223)		—		(444,988)
FINANCING ACTIVITIES:
Intercompany transfers		305,515		(305,515)		—		—		—
Dividends paid		(305,515)		—		—		—		(305,515)
Exercise of stock options, net of tax withholding		10,534		—		—		—		10,534
Tax withholdings related to net share settlements of restricted stock		(5,848)		—		—		—		(5,848)
Excess tax benefit from stock-based compensation		(490)		4,414		490		—		4,414
Net cash provided by (used in) financing activities		4,196		(301,101)		490		—		(296,415)
Net increase (decrease) in cash and cash equivalents		368		(390,937)		6,383		—		(384,186)
Cash and cash equivalents, beginning of period		(955)		899,028		7,488		—		905,561
Cash and cash equivalents, end of period	$	(587)	$	508,091	$	13,871	$	—	$	521,375

CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS

(in thousands)

	September 30, 2016
	Guarantor/		Issuer		Non-Guarantor				Total
	Parent		Subsidiary		Subsidiaries		Eliminations		Consolidated
Net cash provided by (used in) operating activities	$	3,521	$	776,364	$	(26,288)	$	—	$	753,597
INVESTING ACTIVITIES:
Capital expenditures		(16,119)		(235,078)		(5,972)		—		(257,169)
Purchase of short-term investments		—		(57,276)		—		—		(57,276)
Proceeds from sale of short-term investments		—		58,381		—		—		58,381
Intercompany transfers		16,119		(16,119)		—		—		—
Proceeds from asset sales		9		19,237		2,599		—		21,845
Net cash provided by (used in) investing activities		9		(230,855)		(3,373)		—		(234,219)
FINANCING ACTIVITIES:
Payments on long-term debt		—		(40,000)		—		—		(40,000)
Debt issuance costs		—		(1,111)		—		—		(1,111)
Intercompany transfers		300,152		(300,152)		—		—		—
Dividends paid		(300,152)		—		—		—		(300,152)
Exercise of stock options, net of tax withholding		1,040		—		—		—		1,040
Tax withholdings related to net share settlements of restricted stock		(3,912)		—		—		—		(3,912)
Excess tax benefit from stock-based compensation		(775)		1,509		200		—		934
Net cash provided by (used in) financing activities		(3,647)		(339,754)		200		—		(343,201)
Net increase (decrease) in cash and cash equivalents		(117)		205,755		(29,461)		—		176,177
Cash and cash equivalents, beginning of period		(838)		693,273		36,949		—		729,384
Cash and cash equivalents, end of period	$	(955)	$	899,028	$	7,488	$	—	$	905,561

CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS

(in thousands)

	September 30, 2015
	Guarantor/		Issuer		Non-Guarantor				Total
	Parent		Subsidiary		Subsidiaries		Eliminations		Consolidated
Net cash provided by operating activities	$	3,623	$	1,379,707	$	45,244	$	—	$	1,428,574
INVESTING ACTIVITIES:
Capital expenditures		(24,818)		(1,064,288)		(42,339)		—		(1,131,445)
Purchase of short-term investments		—		(45,607)		—		—		(45,607)
Intercompany transfers		24,818		(24,818)		—		—		—
Proceeds from asset sales		1		21,329		1,313		—		22,643
Net cash provided by (used in) investing activities		1		(1,113,384)		(41,026)		—		(1,154,409)
FINANCING ACTIVITIES:
Payments on long-term debt		—		(40,000)		—		—		(40,000)
Proceeds from senior notes, net of discount		—		497,125		—		—		497,125
Debt issuance costs		—		(5,474)		—		—		(5,474)
Proceeds on short-term debt		—		—		1,002		—		1,002
Payments on short-term debt		—		—		(1,002)		—		(1,002)
Repurchase of common stock		(59,654)		—		—		—		(59,654)
Intercompany transfers		358,021		(358,021)		—		—		—
Dividends paid		(298,367)		—		—		—		(298,367)
Exercise of stock options, net of tax withholding		2,650		—		—		—		2,650
Tax withholdings related to net share settlements of restricted stock		(5,140)		—		—		—		(5,140)
Excess tax benefit from stock-based compensation		78		3,665		29		—		3,772
Net cash provided by (used in) financing activities		(2,412)		97,295		29		—		94,912
Net increase in cash and cash equivalents		1,212		363,618		4,247		—		369,077
Cash and cash equivalents, beginning of period		(2,050)		329,655		32,702		—		360,307
Cash and cash equivalents, end of period	$	(838)	$	693,273	$	36,949	$	—	$	729,384