Condensed Consolidated Balance Sheet (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 38,546	$ 32,547
Accounts receivable, net	162,105	154,197
Inventories
Raw materials and supplies	39,363	40,417
Work-in-process and finished goods	34,660	32,054
Prepaid expenses and other current assets	17,722	18,595
Total current assets	292,396	277,810
Property, plant and equipment, at cost	226,279	225,177
Less accumulated depreciation	(141,137)	(140,065)
Net property, plant and equipment	85,142	85,112
Goodwill	58,334	59,169
Other intangible assets, net	32,806	32,809
Investments in associated companies	16,554	16,603
Deferred income taxes	28,437	30,673
Other assets	35,824	34,458
Total assets	549,493	536,634
Current liabilities
Short-term borrowings and current portion of long-term debt	1,337	1,468
Accounts and other payables	76,191	70,794
Accrued compensation	13,013	16,842
Other current liabilities	25,618	18,688
Total current liabilities	116,159	107,792
Long-term debt	22,550	30,000
Deferred income taxes	6,147	6,383
Other non-current liabilities	92,280	102,783
Total liabilities	237,136	246,958
Equity
Common stock $1 par value; authorized 30,000,000 shares; issued and outstanding 2013 - 13,168,484 shares; 2012 - 13,094,901 shares	13,168	13,095
Capital in excess of par value	97,085	94,470
Retained earnings	238,580	215,390
Accumulated Other Comprehensive Loss	(45,252)	(41,855)
Total Quaker shareholders' equity	303,581	281,100
Noncontrolling interest	8,776	8,576
Total equity	312,357	289,676
Total liabilities and equity	$ 549,493	$ 536,634