Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

Following is a summary of the components of income before income taxes for the years ended December 31 (in thousands):

	2012		2011		2010
U.S.	$	150,023	$	124,915	$	78,933
Non-U.S.		85,573		77,269		55,152
Income before income taxes	$	235,596	$	202,184	$	134,085

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

The expense for income taxes on the above income consists of the following components (in thousands):

	2012			2011			2010
Current tax expense:
U.S. federal	$	25,290		$	23,327		$	9,078
State and local		2,508			4,236			2,645
Foreign		18,889			13,845			10,341
Total current		46,687			41,408			22,064
Deferred tax (benefit) expense:
U.S. federal		8,494			(5,192	)		4,263
State and local		(753	)		1,269			72
Foreign		(8,080	)		(1,434	)		(6,013	)
Total deferred		(339	)		(5,357	)		(1,678	)
Total current and deferred		46,348			36,051			20,386
Benefit (expense) relating to interest rate swap used to increase (decrease) equity		51			3,134			(2,523	)
Benefit from stock transactions with employees used to increase equity		21,304			25,812			18,559
Benefit (expense) relating to defined-benefit pension adjustments used to increase (decrease) equity		1,926			285			375
Benefit (expense) of acquired tax assets (liabilities) used to decrease (increase) goodwill		64			—			1,003
Total tax expense	$	69,693		$	65,282		$	37,800

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

Current and long-term deferred tax assets and liabilities are comprised of the following (in thousands):

	December 31,
	2012			2011
Expense accruals	$	49,404		$	40,438
Loss and credit carryforwards		22,433			24,282
Assets relating to equity compensation		18,878			18,226
Other assets		7,613			8,949
Gross deferred tax asset		98,328			91,895
Depreciation		(8,995	)		(9,199	)
Intangible assets		(23,129	)		(17,024	)
Prepaid expenses		(10,500	)		(10,183	)
Gross deferred tax liability		(42,624	)		(36,406	)
Valuation allowance		(1,943	)		(1,869	)
Net deferred tax asset	$	53,761		$	53,620

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

The differences between the U.S. federal statutory income tax rate and the Company’s effective tax rate on income before income taxes for the years ended December 31 follow:

	2012			2011			2010
Statutory tax rate		35.0	%		35.0	%		35.0	%
State income taxes, net of federal benefit		1.8			3.8			3.3
Foreign income taxed at different rates		(6.4	)		(5.9	)		(6.2	)
Subpart F/repatriation of foreign earnings		1.0			(0.4	)		8.5
Record (release) valuation allowance		—			(0.4	)		(12.7	)
Foreign tax credits		(1.0	)		(2.3	)		(0.8	)
Record (release) reserve for tax contingencies		0.7			3.1			2.0
Other items, net		(1.5	)		(0.6	)		(0.9	)
Effective tax rate		29.6	%		32.3	%		28.2	%

Summary of Income Tax Contingencies [Table Text Block]

The following is a reconciliation of the beginning and ending amount of unrecognized tax benefits, excluding interest and penalties, for the years ending December 31 (in thousands):

	2012			2011
Beginning balance	$	18,345		$	15,824
Additions based on tax positions related to the current year		4,301			2,269
Additions for tax positions of prior years		105			4,375
Reductions for tax positions of prior years		(3,427	)		(746	)
Reductions for expiration of statutes		(296	)		(269	)
Settlements		(1,372	)		(2,661	)
Change in foreign currency exchange rates		(104	)		(447	)
Ending balance	$	17,552		$	18,345