Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Components of Income from Continuing Operations Before Income Taxes

For financial reporting purposes, income from continuing operations before income taxes includes the following components, in thousands:


	Year Ended December 31,
	2015		2014		2013
Income from continuing operations before income taxes:
United States	$	164,282	$	65,176	$	58,157
Foreign		134,391		142,114		139,585

	$	298,673	$	207,290	$	197,742

Components of Income Tax Expense

Components of income tax expense, in thousands, were as follows:


	Year Ended December 31,
	2015			2014			2013
Current income tax expense:
Federal	$	54,447		$	56,624		$	28,289
State		8,942			7,380			5,544
Foreign		35,438			35,307			47,645

		98,827			99,311			81,478

Deferred income tax expense (benefit):
Federal		10,620			(20,735	)		143
State		878			(2,429	)		75
Foreign		(2,568	)		(3,468	)		(7,045	)

		8,930			(26,632	)		(6,827	)

Total income tax expense attributed to continuing operations	$	107,757		$	72,679		$	74,651

Reconciliation of Income Tax Expense Computed at Statutory Tax Rates Compared to Effective Tax Rates

A reconciliation of income tax expense computed at statutory tax rates compared to effective income tax rates was as follows:


	Year Ended December 31,
	2015			2014			2013
Statutory rate		35.0	%		35.0	%		35.0	%
Federal tax credits		-0.3	%		-1.8	%		-2.8	%
Uncertain tax positions		3.3	%		0.4	%		2.5	%
Foreign rate differential		-4.7	%		-9.0	%		-5.6	%
Foreign deferred tax liability on unremitted earnings		0.5	%		8.0	%		7.5	%
State income taxes, net of Federal benefit		1.9	%		2.1	%		1.7	%
Other		0.4	%		0.4	%		-0.5	%

Effective income tax rates from continuing operations		36.1	%		35.1	%		37.8	%

Components of Deferred Taxes

Significant temporary differences between reported financial and taxable earnings that give rise to deferred income tax assets and liabilities, in thousands, were as follows:


	Year Ended December 31,
	2015			2014
Deferred income tax assets:
Net operating loss carryforwards	$	111,288		$	123,777
Benefit plans		33,347			32,329
Accrued expenses		28,179			28,539
Tax credits		13,882			14,717
Foreign currency translation		2,183			10,851
Allowance for doubtful accounts		3,796			4,363
Reserves not currently deductible for tax purposes		4,404			3,552
Other		21,824			20,901

Gross deferred income tax assets		218,903			239,029

Less valuation allowance		(100,205	)		(109,240	)

Total deferred income tax assets	$	118,698		$	129,789

Deferred income tax liabilities:
Acquired intangibles amortization	$	139,137		$	150,482
Foreign earnings		33,597			33,869
Excess tax depreciation over financial depreciation		42,634			33,182
Prepaid expenses		7,553			10,005

Total deferred income tax liabilities		222,921			227,538

Net deferred income tax liability	$	104,223		$	97,749

Deferred income tax liabilities included in the balance sheet are:
Deferred income tax liability—current	$	1,693		$	1,117
Deferred income tax liability—long-term		102,530			96,632

Net deferred income taxes	$	104,223		$	97,749

Summary of Activity Related to Unrecognized Tax Benefits

The following summarizes the activity related to our unrecognized tax benefits recorded in accordance with ASC 740-10 in 2015, 2014 and 2013, in thousands:


	For the year ended December 31,
	2015			2014			2013
Beginning balance	$	23,807		$	22,680		$	13,990
Increases for positions taken in current year		1,768			580			374
Increases for positions taken in prior years		4,241			4,318			12,316
Decreases for positions taken in prior years		—			(2,243	)		(2,061	)
Decrease due to settlements with taxing authorities		(440	)		(1,528	)		—
Expiration of the statute of limitations for the assessment of taxes		(417	)		—			(1,939	)

Ending balance	$	28,959		$	23,807		$	22,680