Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Provision For Income Taxes

Provision for income taxes for the years ended December 31 consists of the following (in thousands):

	2013			2012			2011
Current:
Federal	$	281,938		$	191,006		$	135,232
State	23,701			4,221			12,177
Foreign	22,093			13,189			5,776
	327,732			208,416			153,185
Deferred:
Federal	51,509			121,934			104,723
State	(1,471		)	7,697			(12,201		)
Foreign	2,542			(460		)	(1,121		)
	52,580			129,171			91,401
Total	$	380,312		$	337,587		$	244,586

Components Of Income Before Taxes

The components of income before income taxes for the years ended December 31 were as follows (in thousands):

	2013		2012		2011
Domestic	$	1,042,317	$	946,592	$	782,896
Foreign	71,988		14,920		9,768
	$	1,114,305	$	961,512	$	792,664

Provision For Income Tax Rate To Statutory Rate Reconciliation

The provision for income taxes differs from the amount that would be provided by applying the statutory U.S. corporate income tax rate due to the following items for the years ended December 31:

	2013		2012		2011
Provision at statutory rate	35.0	%	35.0	%	35.0	%
State taxes, net of federal benefit	1.6		1.6		1.6
Domestic manufacturing deduction	(1.7	)	(1.6	)	(1.8	)
Research and development credit	(0.9	)	—		(0.6	)
Unrecognized tax benefits including interest and penalties	0.9		0.1		(1.1	)
Valuation allowance adjustments	(0.3	)	(0.3	)	(2.0	)
Tax audit settlements	0.1		(0.1	)	(1.1	)
Adjustments for previously accrued taxes	(0.2	)	(0.4	)	0.3
Other	(0.4	)	0.8		0.6
Provision for income taxes	34.1	%	35.1	%	30.9	%

Principal Components Of The Company's Deferred Tax Assets And Liabilities

The principal components of the Company’s deferred tax assets and liabilities as of December 31 include the following (in thousands):

	2013			2012
Deferred tax assets:
Accruals not yet tax deductible	$	128,307		$	118,434
Pension and postretirement benefit plan obligations	5,192			227,593
Stock compensation	22,370			28,001
Net operating loss carryforward	40,530			32,276
Valuation allowance	(21,818		)	(16,314		)
Other, net	37,034			45,053
	211,615			435,043
Deferred tax liabilities:
Depreciation, tax in excess of book	(119,916		)	(117,743		)
Other	(34,234		)	(34,602		)
	(154,150		)	(152,345		)
Total	$	57,465		$	282,698

Changes In Gross Liability For Unrecognized Tax Benefits Excluding Interest And Penalties

The Company recognizes interest and penalties related to unrecognized tax benefits in the provision for income taxes. Changes in the Company’s gross liability for unrecognized tax benefits, excluding interest and penalties, were as follows (in thousands):

	2013			2012
Unrecognized tax benefits, beginning of period	$	48,752		$	57,137
Increase in unrecognized tax benefits for tax positions taken in a prior period	9,713			1,806
Decrease in unrecognized tax benefits for tax positions taken in a prior period	(4,335		)	(6,439		)
Increase in unrecognized tax benefits for tax positions taken in the current period	11,142			3,737
Statute lapses	(336		)	(415		)
Settlements with taxing authorities	(1,879		)	(7,074		)
Unrecognized tax benefits, end of period	$	63,057		$	48,752