Income Taxes and Uncertain Tax Positions (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Effective Income Tax Rate, Continuing Operations	34.80%	24.10%
Effect on EPS of Uncertain Tax Position Adjustments	$ 0.02	$ 0.10
Unrecognized Tax Benefits	$ 12,299			$ 12,596
Unrecognized Tax Benefits, Interest on Income Taxes Expense	(212)	(477)
Unrecognized Tax Benefits, Income Tax Penalties Expense	(9)	93
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	1,895			2,108
Unrecognized Tax Benefits, Income Tax Penalties Accrued	2,088			2,100
Tax Adjustments, Settlements, and Unusual Provisions	1,075	1,687
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound			1,800
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound			$ 1,900
Internal Revenue Service (IRS) [Member]
Income Tax Examination [Line Items]
Income Tax Examination Year Under Examination	2010
Foreign Tax Authority [Member] | The Netherlands [Member]
Income Tax Examination [Line Items]
Income Tax Examination Year Under Examination	2008
Foreign Tax Authority [Member] | United Kingdom [Member]
Income Tax Examination [Line Items]
Income Tax Examination Year Under Examination	2008
Foreign Tax Authority [Member] | Brazil [Member]
Income Tax Examination [Line Items]
Income Tax Examination Year Under Examination	2000
Foreign Tax Authority [Member] | Spain [Member]
Income Tax Examination [Line Items]
Income Tax Examination Year Under Examination	2009
Foreign Tax Authority [Member] | China [Member]
Income Tax Examination [Line Items]
Income Tax Examination Year Under Examination	2010
Foreign Tax Authority [Member] | Italy [Member]
Income Tax Examination [Line Items]
Income Tax Examination Year Under Examination	2010
State and Local Jurisdiction [Member]
Income Tax Examination [Line Items]
Income Tax Examination Year Under Examination	1993