Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

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

Components of the provision for income taxes consist of the following:



	Year Ended
	December 31, 2012			December 31, 2011			December 31, 2010
Current
Federal	$	10,508		$	4,142		$	6,502
Foreign	1,228			1,122			1,701
State and local	2,145			1,443			1,704
Total current expense	13,881			6,707			9,907

Deferred expense/(benefit)
Federal	5,598			7,169			3,864
Foreign	(628		)	(1,313		)	(952		)
State and local	1,171			1,278			684
Total deferred expense/(benefit)	6,141			7,134			3,596

Provision for income tax expense	$	20,022		$	13,841		$	13,503

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

A reconciliation of the U.S. statutory income tax rate to the Company's effective tax rate is as follows:



	Year Ended
	December 31, 2012		December 31, 2011		December 31, 2010
U.S. statutory tax rate	35.0	%	35.0	%	35.0	%
Increase due to state and local taxes	6.5	%	5.3	%	5.7	%
Foreign taxes	3.5	%	1.0	%	1.9	%
Effect of permanent differences	3.2	%	0.7	%	1.6	%
Rate benefit as an LLC	(4.2	)%	(9.3	)%	(11.0	)%
Prior year provision to actual adjustment	0.1	%	(0.6	)%	(1.7	)%
U.S. benefit on foreign deferred taxes	(0.9	)%	—	%	—	%
Reversal of valuation allowance	—	%	(0.3	)%	—	%
Effective tax rate	43.2	%	31.8	%	31.5	%

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

Deferred income taxes are provided for the effects of temporary differences between the tax basis of an asset or liability and its reported amount in the consolidated balance sheets. These temporary differences result in taxable or deductible amounts in future years. Details of the Company's deferred tax assets and liabilities are summarized as follows:



	December 31, 2012			December 31, 2011
Current deferred tax assets
Compensation and benefits	$	1,285		$	1,935
Accrued lease termination	1,582			1,313
Other	754			753
Total current deferred tax assets	3,621			4,001

Current deferred tax liabilities
Prepaid expenses	(1,740		)	(1,392		)
Compensation and benefits	(62		)	(64		)
Total current deferred tax liabilities	(1,802		)	(1,456		)
Net current deferred tax assets	1,819			2,545

Long-term deferred tax assets
Goodwill and other intangibles	147,968			108,122
Compensation and benefits	33,254			22,031
Foreign net operating losses	3,798			3,003
Deferred rent	2,572			1,930
Foreign tax credits	1,950			1,761
Other	2,446			1,501
Valuation allowance	(5,536		)	(4,349		)
Total long-term deferred tax assets	186,452			133,999

Long-term deferred tax liabilities
Goodwill and other intangibles	(21,330		)	(17,190		)
Property and equipment	(3,690		)	(611		)
Other	(93		)	(372		)
Total long-term deferred tax liabilities	(25,113		)	(18,173		)
Net long-term deferred tax assets	161,339			115,826

Total deferred tax assets and liabilities	$	163,158		$	118,371

Summary of Income Tax Contingencies [Table Text Block]

A reconciliation of the beginning and ending amount of unrecognized tax benefit is summarized as follows:



Balance as of December 31, 2009	$	548
Additional based on tax positions related to the current year	115
Lapse of statute of limitations	(128		)
Balance as of December 31, 2010	535
Additional based on tax positions related to the current year	43
Lapse of statute of limitations	(155		)
Balance as of December 31, 2011	423
Reduction based on tax positions related to the current year	(19		)
Lapse of statute of limitations	(161		)
Balance as of December 31, 2012	$	243

- Definition

Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions.

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