Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

The jurisdictional components of income (loss) before income taxes consist of the following (amounts in thousands):



	Year ended December 31,
	2012		2011			2010
Domestic	$	42,194	$	23,396		$	(48,650	)
Foreign	4,192		(2,563		)	1,092
Income (loss) before income tax	$	46,386	$	20,833		$	(47,558	)

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The components of our income tax expense (benefit) consist of the following (amounts in thousands):



	Year ended December 31,
	2012			2011			2010
Current tax:
Federal	$	236		$	716		$	(2,547	)
State	1,214			1,090			32
Foreign	1,479			1,301			931
	2,929			3,107			(1,584		)
Deferred taxes:
Federal	15,013			7,199			(13,046		)
State	(749		)	102			1,366
Foreign	(839		)	(752		)	(1,033		)
	13,425			6,549			(12,713		)
Income tax expense (benefit)	$	16,354		$	9,656		$	(14,297	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The difference between the income tax expense (benefit) and the amount computed by applying the federal statutory income tax rate of 35% to income (loss) before income taxes consists of the following (amounts in thousands):



	Year ended December 31,
	2012			2011			2010
Expected tax expense (benefit)	$	16,235		$	7,291		$	(16,645	)
State income taxes	302			775			909
Incentive stock options	43			41			266
Net tax benefits and nondeductible expenses in foreign jurisdictions	(881		)	1,391			(207		)
Nontaxable interest income	—			(1		)	(23		)
Nondeductible expenses for tax purposes	770			567			349
Valuation allowance	(206		)	—			1,248
Other, net	91			(408		)	(194		)
Income tax expense (benefit)	$	16,354		$	9,656		$	(14,297	)

Schedule of Income Tax Expense (Benefit), Intraperiod Tax Allocation [Table Text Block]

Income tax expense (benefit) was allocated as follows (amounts in thousands):



	Year ended December 31,
	2012		2011		2010
Results of operations	$	16,354	$	9,656	$	(14,297	)
Stockholders' equity	449		254		1,332
Income tax expense (benefit)	$	16,803	$	9,910	$	(12,965	)

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The components of our deferred income tax assets and liabilities were as follows (amounts in thousands):



	Year ended December 31,
	2012			2011
Deferred tax assets:
Auction rate preferred securities	$	1,008		$	1,239
Intangibles	19,917			20,829
Employee benefits and insurance claims accruals	8,273			9,126
Accounts receivable reserve	370			369
Employee stock-based compensation	8,224			6,914
Accrued expenses not deductible for tax purposes	1,066			1,149
Accrued revenue not income for book purposes	1,399			2,212
Federal and state net operating loss and AMT credit carryforward	69,160			39,310
Foreign net operating loss carryforward	5,361			6,782
	114,778			87,930
Valuation allowance	(1,008		)	(1,239		)
Total deferred tax assets	113,770			86,691
Deferred tax liabilities:
Property and equipment	206,033			165,268
Total deferred tax liabilities	206,033			165,268
Net deferred tax liabilities	$	92,263		$	78,577