INCOME TAXES (Tables)

12 Months Ended

Sep. 30, 2013

INCOME TAXES

Schedule of components of the provision for income taxes

	Years Ended September 30,
	2013			2012			2011
	(in thousands)
Current:
Federal	$	315,820		$	108,297		$	42,377
Foreign		14,551			13,201			14,259
State		32,916			10,542			8,112
		363,287			132,040			64,748
Deferred:
Federal		35,530			196,373			185,076
Foreign		(1,409	)		(6,484	)		(4,117	)
State		(4,564	)		7,042			6,692
		29,557			196,931			187,651
Total provision	$	392,844		$	328,971		$	252,399

Schedule of domestic and foreign income before income taxes

	Years Ended September 30,
	2013		2012		2011
	(in thousands)
Domestic	$	1,071,435	$	886,484	$	666,073
Foreign		42,862		16,096		20,994
	$	1,114,297	$	902,580	$	687,067

Schedule of components of net deferred tax liabilities

	September 30,
	2013		2012
	(in thousands)
Deferred tax liabilities:
Property, plant and equipment	$	1,161,134	$	1,103,769
Available-for-sale securities		117,567		154,463
Other		55		4
Total deferred tax liabilities		1,278,756		1,258,236
Deferred tax assets:
Pension reserves		2,146		9,482
Self-insurance reserves		8,357		7,737
Net operating loss and foreign tax credit carryforwards		54,867		59,730
Financial accruals		48,963		39,833
Other		7,487		6,533
Total deferred tax assets		121,820		123,315
Valuation allowance		49,631		56,564
Net deferred tax assets		72,189		66,751
Net deferred tax liabilities	$	1,206,567	$	1,191,485

Schedule of effective income tax rates as compared to the U.S. Federal income tax rate

	Years Ended September 30,
	2013			2012			2011
U.S. Federal income tax rate		35.0	%		35.0	%		35.0	%
Effect of foreign taxes		1.1			0.7			0.6
State income taxes, net of federal tax benefit		1.5			1.4			1.8
U.S. domestic production activities		(2.1	)		(1.1	)		(0.5	)
Other		(0.2	)		0.4			(0.2	)
Effective income tax rate		35.3	%		36.4	%		36.7	%

Schedule of reconciliation of the change in the entity's gross unrecognized tax benefits

	September 30,
	2013			2012
	(in thousands)
Unrecognized tax benefits at October 1,	$	8,438		$	6,878
Gross decreases—tax positions in prior periods		(914	)		(4	)
Gross increases—tax positions in prior periods		1,896			2,632
Gross decreases—current period effect of tax positions		(437	)		(384	)
Gross increases—current period effect of tax positions		147			142
Expiration of statute of limitations for assessments		(1,001	)		(826	)
Unrecognized tax benefits at September 30,	$	8,129		$	8,438