Condensed Consolidated Balance Sheet (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 35,256	$ 32,547
Accounts receivable, net	157,163	154,197
Inventories
Raw materials and supplies	40,100	40,417
Work-in-process and finished goods	33,865	32,054
Prepaid expenses and other current assets	17,763	18,595
Total current assets	284,147	277,810
Property, plant and equipment, at cost	226,170	225,177
Less accumulated depreciation	(141,242)	(140,065)
Net property, plant and equipment	84,928	85,112
Goodwill	59,248	59,169
Other intangible assets, net	32,972	32,809
Investments in associated companies	15,605	16,603
Deferred income taxes	28,935	30,673
Other assets	34,752	34,458
Total assets	540,587	536,634
Current liabilities
Short-term borrowings and current portion of long-term debt	1,905	1,468
Accounts and other payables	74,807	70,794
Accrued compensation	11,016	16,842
Other current liabilities	25,280	18,688
Total current liabilities	113,008	107,792
Long-term debt	27,675	30,000
Deferred income taxes	6,256	6,383
Other non-current liabilities	91,675	102,783
Total liabilities	238,614	246,958
Equity
Common stock $1 par value; authorized 30,000,000 shares; issued and outstanding 2013 - 13,139,691 shares; 2012 - 13,094,901 shares	13,140	13,095
Capital in excess of par value	95,775	94,470
Retained earnings	225,790	215,390
Accumulated Other Comprehensive Loss	(41,747)	(41,855)
Total Quaker shareholders' equity	292,958	281,100
Noncontrolling interest	9,015	8,576
Total equity	301,973	289,676
Total liabilities and equity	$ 540,587	$ 536,634