GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Tables)

12 Months Ended

Sep. 30, 2015

GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION

Schedule of Consolidated Condensed Statements of Income

CONDENSED CONSOLIDATING STATEMENTS OF INCOME
(in thousands)

	Year Ended September 30, 2015
	Guarantor/ Parent			Issuer Subsidiary			Non-Guarantor Subsidiaries			Eliminations			Total Consolidated
Operating revenue	$	—		$	2,735,864		$	429,652		$	(75	)	$	3,165,441
Operating costs and other		10,875			2,037,464			444,456			(3,104	)		2,489,691
Operating income (loss) from continuing operations		(10,875	)		698,400			(14,804	)		3,029			675,750
Other income, net		(91	)		7,522			531			(3,029	)		4,933
Interest expense		(159	)		(8,955	)		(5,922	)		—			(15,036	)
Equity in net income (loss) of subsidiaries		429,140			(11,207	)		—			(417,933	)		—
Income (loss) from continuing operations before income taxes		418,015			685,760			(20,195	)		(417,933	)		665,647
Income tax provision		(4,210	)		258,660			(11,075	)		—			243,375
Income (loss) from continuing operations		422,225			427,100			(9,120	)		(417,933	)		422,272
Loss from discontinued operations before income taxes		—			—			(124	)		—			(124	)
Income tax provision		—			—			(77	)		—			(77	)
Loss from discontinued operations		—			—			(47	)		—			(47	)
Net income (loss)	$	422,225		$	427,100		$	(9,167	)	$	(417,933	)	$	422,225

CONDENSED CONSOLIDATING STATEMENTS OF INCOME
(in thousands)

	Year Ended September 30, 2014
	Guarantor/ Parent			Issuer Subsidiary			Non-Guarantor Subsidiaries			Eliminations			Total Consolidated
Operating revenue	$	—		$	3,325,039		$	394,820		$	(152	)	$	3,719,707
Operating costs and other		10,763			2,291,775			366,682			(4,300	)		2,664,920
Operating income (loss) from continuing operations		(10,763	)		1,033,264			28,138			4,148			1,054,787
Other income, net		57			48,108			2,164			(4,148	)		46,181
Interest expense		(42	)		(3,049	)		(1,563	)		—			(4,654	)
Equity in net income of subsidiaries		715,157			4,668			—			(719,825	)		—
Income from continuing operations before income taxes		704,409			1,082,991			28,739			(719,825	)		1,096,314
Income tax provision		(4,310	)		370,723			21,135			—			387,548
Income from continuing operations		708,719			712,268			7,604			(719,825	)		708,766
Income from discontinued operations before income taxes		—			—			2,758			—			2,758
Income tax provision		—			—			2,805			—			2,805
Loss from discontinued operations		—			—			(47	)		—			(47	)
Net income	$	708,719		$	712,268		$	7,557		$	(719,825	)	$	708,719

CONDENSED CONSOLIDATING STATEMENTS OF INCOME
(in thousands)

	Year Ended September 30, 2013
	Guarantor/ Parent			Issuer Subsidiary			Non-Guarantor Subsidiaries			Eliminations			Total Consolidated
Operating revenue	$	—		$	2,998,299		$	389,382		$	(67	)	$	3,387,614
Operating costs and other		12,775			2,063,737			355,751			(1,310	)		2,430,953
Operating income (loss) from continuing operations		(12,775	)		934,562			33,631			1,243			956,661
Other income, net		20			164,170			863			(1,288	)		163,765
Interest expense		(83	)		(4,776	)		(1,315	)		45			(6,129	)
Equity in net income of subsidiaries		745,105			33,360			—			(778,465	)		—
Income from continuing operations before income taxes		732,267			1,127,316			33,179			(778,465	)		1,114,297
Income tax provision		(4,372	)		383,881			13,335			—			392,844
Income from continuing operations		736,639			743,435			19,844			(778,465	)		721,453
Income from discontinued operations before income taxes		—			—			14,701			—			14,701
Income tax provision		—			—			(485	)		—			(485	)
Loss from discontinued operations		—			—			15,186			—			15,186
Net income	$	736,639		$	743,435		$	35,030		$	(778,465	)	$	736,639

Schedule of Consolidated Condensed Statements of Comprehensive Income

CONDENSED CONSOLIDATING STATEMENTS OF COMPREHENSIVE INCOME
(in thousands)

	Year Ended September 30, 2015
	Guarantor/ Parent			Issuer Subsidiary			Non-Guarantor Subsidiaries			Eliminations			Total Consolidated
Net income (loss)	$	422,225		$	427,100		$	(9,167	)	$	(417,933	)	$	422,225
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	$	421,559		$	343,263		$	(9,167	)	$	(417,933	)	$	337,722

CONDENSED CONSOLIDATING STATEMENTS OF COMPREHENSIVE INCOME
(in thousands)

	Year Ended September 30, 2014
	Guarantor/ Parent			Issuer Subsidiary			Non-Guarantor Subsidiaries		Eliminations			Total Consolidated
Net income	$	708,719		$	712,268		$	7,557	$	(719,825	)	$	708,719
Other comprehensive loss, net of income taxes:
Unrealized depreciation on securities, net		—			(19,006	)		—		—			(19,006	)
Reclassification of realized gains in net income, net		—			(27,737	)		—		—			(27,737	)
Minimum pension liability adjustments, net		(213	)		(2,448	)		—		—			(2,661	)
Other comprehensive loss		(213	)		(49,191	)		—		—			(49,404	)
Comprehensive income	$	708,506		$	663,077		$	7,557	$	(719,825	)	$	659,315

CONDENSED CONSOLIDATING STATEMENTS OF COMPREHENSIVE INCOME
(in thousands)

	Year Ended September 30, 2013
	Guarantor/ Parent		Issuer Subsidiary			Non-Guarantor Subsidiaries		Eliminations			Total Consolidated
Net income	$	736,639	$	743,435		$	35,030	$	(778,465	)	$	736,639
Other comprehensive income (loss), net of income taxes:
Unrealized appreciation on securities, net		—		46,853			—		—			46,853
Reclassification of realized gains in net income, net		—		(92,543	)		—		—			(92,543	)
Minimum pension liability adjustments, net		2,663		8,750			—		—			11,413
Other comprehensive income (loss)		2,663		(36,940	)		—		—			(34,277	)
Comprehensive income	$	739,302	$	706,495		$	35,030	$	(778,465	)	$	702,362

Schedule of Consolidated Condensed Balance Sheets

CONDENSED CONSOLIDATING BALANCE SHEETS
(in thousands)

	September 30, 2015
	Guarantor/ Parent			Issuer Subsidiary		Non-Guarantor Subsidiaries		Eliminations			Total Consolidated
ASSETS
Current assets:
Cash and cash equivalents	$	(838	)	$	693,273	$	34,096	$	(8,554	)	$	717,977
Short-term investments		—			45,543		—		—			45,543
Accounts receivable, net of reserve		152			374,383		80,484		(5,675	)		449,344
Inventories		—			88,010		40,719		—			128,729
Deferred income taxes		2,834			19,154		—		(4,788	)		17,200
Prepaid expenses and other		20,018			6,713		48,100		(2,714	)		72,117
Current assets of discontinued operations		—			—		8,097		—			8,097
Total current assets		22,166			1,227,076		211,496		(21,731	)		1,439,007
Investments		12,871			91,483		—		—			104,354
Property, plant and equipment, net		55,902			5,063,705		447,628		—			5,567,235
Intercompany		15,875			1,192,634		229,626		(1,438,135	)		—
Other assets		8,387			1,389		39,793		(8,153	)		41,416
Investment in subsidiaries		5,625,360			227,910		—		(5,853,270	)		—
Total assets	$	5,740,561		$	7,804,197	$	928,543	$	(7,321,289	)	$	7,152,012
LIABILITIES AND SHAREHOLDERS' EQUITY
Current liabilities:
Accounts payable	$	80,673		$	20,404	$	9,632	$	(5	)	$	110,704
Accrued liabilities		10,688			151,607		46,542		(10,784	)		198,053
Long-term debt due within one year		—			39,094		—		—			39,094
Current liabilities of discontinued operations		—			—		3,377		—			3,377
Total current liabilities		91,361			211,105		59,551		(10,789	)		351,228
Noncurrent liabilities:
Long-term debt		—			492,443		—		—			492,443
Deferred income taxes		—			1,275,427		32,579		(12,941	)		1,295,065
Intercompany		733,008			185,493		525,788		(1,444,289	)		—
Other		18,740			31,560		60,804		—			111,104
Noncurrent liabilities of discontinued operations		—			—		4,720		—			4,720
Total noncurrent liabilities		751,748			1,984,923		623,891		(1,457,230	)		1,903,332
Shareholders' equity:
Common stock		11,099			100		—		(100	)		11,099
Additional paid-in capital		420,141			45,824		349		(46,173	)		420,141
Retained earnings		4,649,952			5,558,389		244,752		(5,803,141	)		4,649,952
Accumulated other comprehensive income (loss)		(1,377	)		3,856		—		(3,856	)		(1,377	)
Treasury stock, at cost		(182,363	)		—		—		—			(182,363	)
Total shareholders' equity		4,897,452			5,608,169		245,101		(5,853,270	)		4,897,452
Total liabilities and shareholders' equity	$	5,740,561		$	7,804,197	$	928,543	$	(7,321,289	)	$	7,152,012

CONDENSED CONSOLIDATING BALANCE SHEETS (Continued)
(in thousands)

	September 30, 2014, as adjusted
	Guarantor/ Parent			Issuer Subsidiary		Non-Guarantor Subsidiaries		Eliminations			Total Consolidated
ASSETS
Current assets:
Cash and cash equivalents	$	(2,050	)	$	329,655	$	36,932	$	(3,628	)	$	360,909
Accounts receivable, net of reserve		(31	)		623,274		98,913		(16,942	)		705,214
Inventories		—			67,113		37,358		1,770			106,241
Deferred income taxes		5,372			19,499		—		(8,352	)		16,519
Prepaid expenses and other		8,863			15,013		56,982		54			80,912
Current assets of discontinued operations		—			—		7,206		—			7,206
Total current assets		12,154			1,054,554		237,391		(27,098	)		1,277,001
Investments		14,344			222,300		—		—			236,644
Property, plant and equipment, net		42,027			4,681,294		465,223		—			5,188,544
Intercompany		14,855			782,626		196,641		(994,122	)		—
Other assets		8,110			1,197		16,123		(6,621	)		18,809
Investment in subsidiaries		5,276,750			235,355		—		(5,512,105	)		—
Total assets	$	5,368,240		$	6,977,326	$	915,378	$	(6,539,946	)	$	6,720,998
LIABILITIES AND SHAREHOLDERS' EQUITY
Current liabilities:
Accounts payable	$	80,562		$	80,488	$	20,988	$	(7	)	$	182,031
Accrued liabilities		31,960			212,896		43,560		(6,138	)		282,278
Long-term debt due within one year		—			39,635		—		—			39,635
Current liabilities of discontinued operations		—			—		3,217		—			3,217
Total current liabilities		112,522			333,019		67,765		(6,145	)		507,161
Noncurrent liabilities:
Long-term debt		—			39,502		—		—			39,502
Deferred income taxes		—			1,182,192		47,640		(14,573	)		1,215,259
Intercompany		346,545			141,066		519,512		(1,007,123	)		—
Other		18,196			19,948		25,966		—			64,110
Noncurrent liabilities of discontinued operations		—			—		3,989		—			3,989
Total noncurrent liabilities		364,741			1,382,708		597,107		(1,021,696	)		1,322,860
Shareholders' equity:
Common stock		11,051			100		—		(100	)		11,051
Additional paid-in capital		383,972			42,516		319		(42,835	)		383,972
Retained earnings		4,525,797			5,131,289		250,187		(5,381,476	)		4,525,797
Accumulated other comprehensive income		83,126			87,694		—		(87,694	)		83,126
Treasury stock, at cost		(112,969	)		—		—		—			(112,969	)
Total shareholders' equity		4,890,977			5,261,599		250,506		(5,512,105	)		4,890,977
Total liabilities and shareholders' equity	$	5,368,240		$	6,977,326	$	915,378	$	(6,539,946	)	$	6,720,998

Schedule of Consolidated Condensed Statements of Cash Flows

CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS
(in thousands)

	September 30, 2015
	Guarantor/ Parent			Issuer Subsidiary			Non-Guarantor Subsidiaries			Eliminations			Total Consolidated
Net cash provided by operating activities	$	3,623		$	1,379,707		$	40,340		$	(4,926	)	$	1,418,744
INVESTING ACTIVITIES:
Capital expenditures		(24,818	)		(1,064,288	)		(44,376	)		—			(1,133,482	)
Purchase of short-term investments		—			(45,607	)		—			—			(45,607	)
Intercompany transfers		24,818			(24,818	)		—			—			—
Proceeds from asset sales		1			21,329			1,171			—			22,501
Net cash provided by (used in) investing activities		1			(1,113,384	)		(43,205	)		—			(1,156,588	)
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	)
Intercompany transfers		358,021			(358,021	)		—			—			—
Repurchase of common stock		(59,654	)		—			—			—			(59,654	)
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 (decrease) in cash and cash equivalents		1,212			363,618			(2,836	)		(4,926	)		357,068
Cash and cash equivalents, beginning of period		(2,050	)		329,655			36,932			(3,628	)		360,909
Cash and cash equivalents, end of period	$	(838	)	$	693,273		$	34,096		$	(8,554	)	$	717,977

CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS (Continued)
(in thousands)

	September 30, 2014
	Guarantor/ Parent			Issuer Subsidiary			Non-Guarantor Subsidiaries			Eliminations			Total Consolidated
Net cash provided by (used in) operating activities	$	(21,094	)	$	1,050,609		$	94,196		$	(5,184	)	$	1,118,527
INVESTING ACTIVITIES:
Capital expenditures		(17,786	)		(840,341	)		(94,765	)		—			(952,892	)
Intercompany transfers		17,786			(17,786	)		—			—			—
Proceeds from asset sales		2			27,401			3,367			—			30,770
Proceeds from sale of investments		—			49,205			—			—			49,205
Net cash provided by (used in) investing activities		2			(781,521	)		(91,398	)		—			(872,917	)
FINANCING ACTIVITIES:
Payments on long-term debt		—			(115,000	)		—			—			(115,000	)
Intercompany transfers		264,386			(264,386	)		—			—			—
Dividends paid		(264,386	)		—			—			—			(264,386	)
Exercise of stock options, net of tax withholding		23,250			—			—			—			23,250
Tax withholdings related to net share settlements of restricted stock		(3,049	)		—			—			—			(3,049	)
Excess tax benefit from stock-based compensation		(957	)		27,357			216			—			26,616
Net cash provided by (used in) financing activities		19,244			(352,029	)		216			—			(332,569	)
Net increase (decrease) in cash and cash equivalents		(1,848	)		(82,941	)		3,014			(5,184	)		(86,959	)
Cash and cash equivalents, beginning of period		(202	)		412,596			33,918			1,556			447,868
Cash and cash equivalents, end of period	$	(2,050	)	$	329,655		$	36,932		$	(3,628	)	$	360,909

CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS (Continued)
(in thousands)

	September 30, 2013
	Guarantor/ Parent			Issuer Subsidiary			Non-Guarantor Subsidiaries			Eliminations			Total Consolidated
Net cash provided by operating activities	$	3,066		$	973,850		$	17,708		$	2,561		$	997,185
INVESTING ACTIVITIES:
Capital expenditures		(6,828	)		(752,642	)		(49,596	)		—			(809,066	)
Intercompany transfers		6,828			(6,828	)		—			—			—
Proceeds from asset sales		3,235			21,694			3,097			—			28,026
Proceeds from sale of investments		—			232,221			—			—			232,221
Net cash provided by (used in) investing activities		3,235			(505,555	)		(46,499	)		—			(548,819	)
Net cash provided by investing activities by discontinued operations		—			—			15,000			—			15,000
Net cash provided by (used in) investing activities		3,235			(505,555	)		(31,499	)		2561			(533,819	)
FINANCING ACTIVITIES:
Payments on long-term debt		—			(40,000	)		—			—			(40,000	)
Intercompany transfers		93,053			(93,053	)		—			—			—
Dividends paid		(93,053	)		—			—			—			(93,053	)
Intercompany notes		(16,500	)		—			16,500			—			—
Exercise of stock options, net of tax withholding		13,317			—			—			—			13,317
Tax withholdings related to net share settlements of restricted stock		(1,677	)		—			—			—			(1,677	)
Excess tax benefit from stock-based compensation		(563	)		10,280			103			—			9,820
Net cash provided by (used in) financing activities		(5,423	)		(122,773	)		16,603			—			(111,593	)
Net increase in cash and cash equivalents		878			345,522			2,812			2,561			351,773
Cash and cash equivalents, beginning of period		(1,080	)		67,074			31,106			(1,005	)		96,095
Cash and cash equivalents, end of period	$	(202	)	$	412,596		$	33,918		$	1,556		$	447,868