Condensed Consolidated Balance Sheet (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 25,252	$ 16,909
Accounts receivable, net	156,424	150,676
Inventories
Raw materials and supplies	43,565	41,771
Work-in-process and finished goods	34,113	32,987
Prepaid expenses and other current assets	18,009	17,206
Total current assets	277,363	259,549
Property, plant and equipment, at cost	214,027	214,695
Less accumulated depreciation	(131,372)	(131,779)
Net property, plant and equipment	82,655	82,916
Goodwill	57,033	58,152
Other intangible assets, net	30,397	31,783
Investments in associated companies	7,891	7,942
Deferred income taxes	27,644	29,823
Other assets	36,370	35,356
Total assets	519,353	505,521
Current liabilities
Short-term borrowings and current portion of long-term debt	563	636
Accounts and other payables	74,679	68,125
Accrued compensation	10,610	16,987
Other current liabilities	22,334	20,901
Total current liabilities	108,186	106,649
Long-term debt	45,004	46,701
Deferred income taxes	6,622	7,094
Other non-current liabilities	86,116	89,351
Total liabilities	245,928	249,795
Equity
Common stock $1 par value; authorized 30,000,000 shares; issued and outstanding 2012 - 13,010,639 shares; 2011 - 12,911,508 shares	13,011	12,912
Capital in excess of par value	92,199	89,725
Retained earnings	192,116	175,932
Accumulated other comprehensive loss	(32,091)	(29,820)
Total Quaker shareholders' equity	265,235	248,749
Noncontrolling interest	8,190	6,977
Total equity	273,425	255,726
Total liabilities and equity	$ 519,353	$ 505,521