Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Income Before The Provision for Income Taxes

Income before the provision for income taxes is attributable to the following jurisdictions (in thousands) for years ended December 31:

	2013		2012		2011
United States	$	205,033	$	186,301	$	144,928
Foreign		198,536		124,489		65,949
Total	$	403,569	$	310,790	$	210,877

Components of Income Taxes

The provision (benefit) for income taxes for the years ended December 31 consists of the following (in thousands):

	2013			2012			2011
Current:
Federal	$	72,909		$	62,886		$	45,817
State		7,369			4,551			2,578
Foreign		46,026			29,551			17,375
Total current		126,304			96,988			65,770
Deferred:
Federal		(1,287	)		2,295			1,538
State		130			417			132
Foreign		(6,079	)		(5,109	)		(3,898	)
Total deferred		(7,236	)		(2,397	)		(2,228	)
Total provision	$	119,068		$	94,591		$	63,542

Summary of Provision for Income Taxes and U.S. Federal Tax Rate

The provision for income taxes differs from amounts computed by applying the U.S. federal tax rate of 35% to income before income taxes for the years ended December 31 due to the following (in thousands):

	2013					2012					2011
Computed “expected” tax expense	$	141,249		35.00	%	$	108,777		35.00	%	$	73,807		35.00	%
Changes resulting from:
Foreign income tax differential		(16,021	)	(3.97	)		(11,695	)	(3.76	)		(8,333	)	(3.95	)
State taxes net of federal benefits		4,744		1.18			3,858		1.24			1,923		0.91
Foreign-sourced nontaxable income		(11,967	)	(2.97	)		(8,840	)	(2.84	)		(4,423	)	(2.10	)
Other		1,063		0.26			2,491		0.76			568		0.27
Provision for income taxes	$	119,068		29.50	%	$	94,591		30.40	%	$	63,542		30.13	%

Summary of Deferred Tax Assets and Liabilities

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and liabilities at December 31 are as follows (in thousands):

	2013			2012
Deferred tax assets:
Accounts receivable, principally due to the allowance for doubtful accounts	$	4,451		$	4,028
Accrued expenses not currently deductible for tax		—			2,257
Stock based compensation		12,022			8,226
Foreign tax credit		1,349			177
Net operating loss carry forwards		4,438			4,291
Fixed assets		4,135			580
Other		541			643
Deferred tax assets before valuation allowance		26,936			20,202
Valuation allowance		(1,450	)		(1,382	)
Deferred tax assets, net		25,486			18,820
Deferred tax liabilities:
Property and equipment, principally due to differences between book and tax depreciation		(4,180	)		—
Intangibles—including goodwill		(226,396	)		(165,270	)
Basis difference in investment in foreign subsidiaries		(25,145	)		(26,926	)
Other		(14,519	)		(769	)
Deferred tax liabilities		(270,240	)		(192,965	)
Net deferred tax liabilities	$	(244,754	)	$	(174,145	)

Summary of Classified Deferred Tax Balances Based on Net Current and Noncurrent Items

The Company’s deferred tax balances are classified in its balance sheets based on net current items and net non-current items as of December 31 as follows (in thousands):

	2013			2012
Current deferred tax assets and liabilities:
Current deferred tax assets	$	4,750		$	6,464
Long term deferred tax assets and liabilities:
Long term deferred tax assets		20,736			12,357
Long term deferred tax liabilities		(270,240	)		(192,966	)
Net long term deferred tax liabilities		(249,504	)		(180,609	)
Net deferred tax liabilities	$	(244,754	)	$	(174,145	)

Reconciliation of Unrecognized Tax Benefits

A reconciliation of the beginning and ending balances of the total amounts of gross unrecognized tax benefits including interest for the years ended December 31, 2013, 2012 and 2011 is as follows (in thousands):

Unrecognized tax benefits at December 31, 2010	$	3,912
Additions based on tax provisions related to the current year		524
Additions based on tax provisions related to the prior year		1,010
Deductions based on settlement/expiration of prior year tax positions		(452	)
Unrecognized tax benefits at December 31, 2011		4,994
Additions based on tax provisions related to the current year		1,870
Additions based on tax provisions related to the prior year		716
Deductions based on settlement/expiration of prior year tax positions		(503	)
Unrecognized tax benefits at December 31, 2012		7,077
Additions based on tax provisions related to the current year		1,337
Additions related to prior years for 2013 acquisitions		15,249
Deductions based on settlement/expiration of prior year tax positions		(2,062	)
Unrecognized tax benefits at December 31, 2013	$	21,601