Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Tax Disclosure [Abstract]

Schedule of Provision for Income Taxes

The provision for income taxes from continuing operations consists of the following:

	Year Ended December 31,
		2015		2014			2013
	(In thousands)
Current:
Federal	$	38,357	$	31,700		$	26,071
State and local		7,180		6,505			5,958
Foreign		4,346		1,456			1,014
Total current provision		49,883		39,661			33,043
Deferred:
Federal		1,492		3,583			5,507
State and local		299		530			812
Foreign		189		(44	)		(645	)
Total deferred provision		1,980		4,069			5,674
Provision for income taxes	$	51,863	$	43,730		$	38,717

Difference Between the Company's Reported Provision for Income Taxes and the U.S. Federal Statutory Rate

The difference between the Company’s reported provision for income taxes and the U.S. federal statutory rate of 35% is as follows:

	Year Ended December 31,
		2015			2014			2013
U.S. federal tax at statutory rate		35.0		%	35.0		%	35.0		%
State and local taxes - net of federal benefit		3.4			4.2			4.1
Credits and deductions related to research activities		(1.3	)		(1.7	)		(3.0	)
Foreign rate differential benefit		(2.0	)		(0.6	)		(0.3	)
Other, net		—			—			0.3
Provision for income taxes		35.1		%	36.9		%	36.1		%

Summary of Company's Net Deferred Tax Assets

The following is a summary of the Company’s net deferred tax assets:

	As of December 31,
		2015			2014
	(In thousands)
Deferred tax assets
U.S. net operating loss carryforwards	$	2,580		$	3,102
Capital loss carryforwards		7,294			7,428
Stock compensation expense		9,115			7,266
Other		3,745			3,482
Total deferred tax assets		22,734			21,278
Valuation allowance		(7,294	)		(7,428	)
Net deferred tax assets		15,440			13,850
Deferred tax liabilities
Depreciation and amortization		(1,953	)		(2,461	)
Capitalized software development costs		(4,344	)		(4,495	)
Intangible assets		(1,310	)		(1,854	)
Deferred tax assets, net	$	7,833		$	5,040

Summary of Changes in Valuation Allowance

A summary of the changes in the valuation allowance is as follows:

	Year Ended December 31,
		2015			2014			2013
	(In thousands)
Valuation allowance at beginning of year	$	7,428		$	7,743		$	727
(Decrease) increase to valuation allowance attributable to:
Current year income		—			(101	)		(65	)
State net operating loss		—			(155	)		(406	)
Blended state rate changes		(71	)		—			—
Capital (loss) gain		(63	)		(59	)		7,487
Valuation allowance at end of year	$	7,294		$	7,428		$	7,743

Reconciliation of the Unrecognized Tax Benefits

A reconciliation of the unrecognized tax benefits is as follows:

	Year Ended December 31,
		2015		2014		2013
	(In thousands)
Balance at beginning of year	$	265	$	265	$	49
Additions for tax positions of current year		—		—		235
Reductions for tax positions of prior years		—		—		(19	)
Balance at end of year	$	265	$	265	$	265