Condensed Consolidated Statement of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Statement of Comprehensive Income [Abstract]
Net Income	$ 14,191	$ 13,112
Currency Translation Adjustments	(1,763)	4,048
Defined Retirement Benefit Plans	1,306	57
Change in Fair Value of Derivatives	0	96
Unrealized Gain on Available-For-Sale Securities	432	1,078
Other Comprehensive (Loss) Income	(25)	5,279
Comprehensive Income	14,166	18,391
Less: Comprehensive Income Attributable to Noncontrolling Interest	(439)	(1,038)
Comprehensive Income Attributable to Quaker Chemical Corporation	$ 13,727	$ 17,353

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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