Quarter Results (unaudited)

12 Months Ended

Dec. 31, 2011

Quarterly Results (unaudited) [Abstract]

Quarterly Results (unaudited) [Text Block]

Note 23 – Quarterly Results (unaudited)

			First (1)		Second		Third (2)		Fourth (3)
2011
	Net sales		$	159,865	$	167,792	$	182,313	$	173,261
	Gross profit			52,734		53,766		59,486		56,664
	Operating income			14,100		14,941		17,504		11,367
	Net income attributable to Quaker Chemical Corporation			10,600		9,841		13,358		9,770
	Net income attributable to Quaker Chemical Corporation
		Common Shareholders - Basic	$	0.92	$	0.80	$	1.04	$	0.76
	Net income attributable to Quaker Chemical Corporation
		Common Shareholders - Diluted	$	0.91	$	0.79	$	1.03	$	0.75
2010
	Net sales		$	128,320	$	135,991	$	137,669	$	142,083
	Gross profit			47,340		48,531		49,028		47,890
	Operating income			13,671		13,413		9,431		11,616
	Net income attributable to Quaker Chemical Corporation			9,419		9,153		6,340		6,895
	Net income attributable to Quaker Chemical Corporation
		Common Shareholders - Basic	$	0.85	$	0.82	$	0.56	$	0.60
	Net income attributable to Quaker Chemical Corporation
		Common Shareholders - Diluted	$	0.84	$	0.80	$	0.55	$	0.59

(1)       Net income attributable to Quaker Chemical Corporation includes tax benefits of approximately $0.11 per diluted common share in the first quarters of 2011 and 2010 resulting from the derecognition of several uncertain tax positions due to the expiration of applicable statutes of limitation.Net income attributable to Quaker Chemical Corporation in the first quarter of 2010 includes a devaluation charge related to the Company's 50% owned equity affiliate in Venezuela of approximately $0.03 per diluted common share.

(2)       Net income attributable to Quaker Chemical Corporation in the third quarter of 2011 includes a $0.22 per diluted share non-cash gain representing the revaluation of the Company's previously held ownership interest in its Mexican equity affiliate to its fair value related to the purchase of the remaining ownership interest in this affiliate. Net income attributable to Quaker Chemical Corporation also includes tax benefits of approximately $0.03and $0.04 per diluted common share in the third quarters of 2011 and 2010, respectively, resulting from the derecognition of several uncertain tax positions to the expiration of applicable statutes of limitation. Net income attributable to Quaker Chemical Corporation in the third quarter of 2010 also includes CEO transition costs of approximately $0.08 per diluted common share and a non-income tax contingency charge of approximately $0.21 per diluted common share.

(3)Net income attributable to Quaker Chemical Corporation includes tax benefits of approximately $0.02and $0.06 per diluted common share in the fourth quarter of 2011 and 2010, respectively, resulting from the derecognition of several uncertain tax positions to the expiration of applicable statutes of limitation. Net income attributable to Quaker Chemical Corporation in the fourth quarter of 2011 also includes a $0.03 per diluted share gain related to a fair value adjustment to a contingent consideration liability. Net income attributable to Quaker Chemical Corporation in the fourth quarter of 2010 also includes a non-income tax contingency charge of approximately $0.05 per diluted common share and a charge of approximately $0.05 per diluted common share related to an out-of-period adjustment at one of the Company's equity affiliates. See Note 6 of Notes to the Consolidated Financial Statements for further discussion.