Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Income Taxes [Abstract]

Income tax expense

	2012		2011			2010
Current:
Federal	$	7,730	$	20,632		$	17,661
State		1,328		4,274			3,447
Foreign		1,184		801			627
		10,242		25,707			21,735
Deferred:
Federal		10,977		(3,173	)		(4,142	)
State		2,550		(630	)		(931	)
Foreign		67		(9	)		(151	)
		13,594		(3,812	)		(5,224	)
Income Tax Expense	$	23,836	$	21,895		$	16,511

Deferred tax assets (liabilities)

	2012			2011
Deferred Tax Assets
Current:
Stock option compensation	$	214		$	106
Allowance for bad debt		573			416
Accrued vacation		3,026			5,184
Accrued bonus		408			5,016
Foreign tax credits		174			81
Other		202			208
Total current deferred tax asset		4,597			11,011
Non-current:
Foreign net operating loss (NOL) carry forward		85			159
Stock option compensation		3,497			2,090
Deferred rent		3,303			2,361
Deferred compensation		1,783			990
Foreign tax credits		1,047			688
Other		1,892			2,045
Total non-current deferred tax assets		11,607			8,333
Total Deferred Tax Assets		16,204			19,344
Deferred Tax Liabilities
Current:
Retention		(1,228	)		(762	)
Section 481(a) adjustment		(674	)		(674	)
Prepaids		(1,400	)		(1,229	)
Payroll taxes		(766	)		(383	)
Unbilled revenue		(6,319	)		—
Total current deferred liability		(10,387	)		(3,048	)
Non-current:
Depreciation		(5,715	)		(3,450	)
Amortization		(14,615	)		(12,841	)
Section 481(a) adjustment		—			(674	)
Other		(358	)		(615	)
Total non-current deferred tax liabilities		(20,688	)		(17,580	)
Total Deferred Tax Liabilities		(31,075	)		(20,628	)
Total Net Deferred Tax Liability	$	(14,871	)	$	(1,284	)

Unrecognized tax benefit reconciliation

Unrecognized tax benefits at January 1, 2010		1,314
Increase attributable to tax positions taken during a prior period		(15	)
Increase attributable to tax positions taken during the current period		147
Decrease attributable to settlements with taxing authorities		(83	)
Decrease attributable to lapse of statute of limitations		(419	)
Unrecognized tax benefits at December 31, 2010		944
Increase attributable to tax positions taken during the current period		117
Unrecognized tax benefits at December 31, 2011		1,061
Increase attributable to tax positions taken during a prior period		78
Decrease attributable to lapse of statute of limitations		(48	)
Unrecognized tax benefits at December 31, 2012	$	1,091

Provision for income taxes differs from federal statutory rate

	2012			2011			2010
Taxes at statutory rate		35.0	%		35.0	%		35.0	%
State taxes, net of federal benefit		4.6	%		4.6	%		4.6	%
Foreign tax rate differential and U.S. unrepatriated earnings		(0.3	)%		0	%		(0.1	)%
Other permanent differences		0.8	%		0.6	%		0.8	%
Prior year tax adjustments and changes in unrecognized tax benefits		(0.9	)%		(1.2	)%		(1.3	)%
Tax credits		(0.7	)%		(0.4	)%		(1.2	)%
		38.5	%		38.6	%		37.8	%