Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

The income tax expense (benefit) reconciled to the tax computed at the statutory Federal rate of 34% is as follows:



	Year Ended December 31,
	2012			2011			2010
Federal income tax expense (benefit) at statutory rate	$	(200,575	)	$	(71,686	)	$	303,010
State income taxes, net of federal benefit	6,490			674			5,529
Share-based compensation	10,682			11,253			15,306
Effect of foreign operations, net of foreign tax credits	9,404			(801		)	(9,957		)
Change in valuation allowance	(3,548		)	(2,127		)	91,537
Other, net	(50,943		)	(76,659		)	(71,964		)
Income tax expense (benefit)	$	(228,490	)	$	(139,346	)	$	333,461

Deferred tax assets and liabilities at December 31, 2012 and 2011 are comprised of the following:



	December 31,
	2012			2011
Deferred tax assets related to:
Inventories	$	365,087		$	374,307
Accounts receivable and other assets	9,596			10,276
Accrued liabilities	81,647			87,645
Tax loss and tax credit carryforwards	70,102			465,121
Other	21,965			14,074
	548,397			951,423
Valuation allowance	—			(408,131		)
Net deferred tax assets	548,397			543,292
Deferred tax liabilities related to:
Property and equipment	(596,290		)	(488,714		)
Intangible assets	(606,612		)	(601,687		)
Deferred tax liabilities	(1,202,902		)	(1,090,401		)
Net deferred tax liabilities	$	(654,505	)	$	(547,109	)

Net current deferred tax assets	$	462,088		$	460,868
Net long-term deferred tax liabilities	(1,116,593		)	(1,007,977		)
	$	(654,505	)	$	(547,109	)

Income tax expense (benefit) for continuing operations consists of the following: