Condensed Consolidated Balance Sheet - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 90,220	$ 89,879
Accounts receivable, net	213,548	208,358
Inventories
Raw materials and supplies	48,247	44,439
Work-in-process and finished goods	47,683	42,782
Prepaid expenses and other current assets	22,225	21,128
Total current assets	421,923	406,586
Property, plant and equipment, at cost	255,342	255,990
Less accumulated depreciation	(171,975)	(169,286)
Net property, plant and equipment	83,367	86,704
Goodwill	84,230	86,034
Other intangible assets, net	67,650	71,603
Investments in associated companies	21,778	25,690
Non-current deferred tax assets	12,602	15,661
Other assets	32,075	30,049
Total assets	723,625	722,327
Current liabilities
Short-term borrowings and current portion of long-term debt	5,689	5,736
Accounts and other payables	96,815	97,732
Accrued compensation	17,648	22,846
Other current liabilities	31,556	29,384
Total current liabilities	151,708	155,698
Long-term debt	58,397	61,068
Non-current deferred tax liabilities	8,302	9,653
Other non-current liabilities	82,541	87,044
Total liabilities	300,948	313,463
Equity
Common stock $1 par value; authorized 30,000,000 shares; issued and outstanding 2018 - 13,330,845 shares; 2017 - 13,307,976 shares	13,331	13,308
Capital in excess of par value	94,984	93,528
Retained earnings	387,498	365,182
Accumulated Other Comprehensive Loss	(74,351)	(65,100)
Total Quaker shareholders' equity	421,462	406,918
Noncontrolling interest	1,215	1,946
Total equity	422,677	408,864
Total liabilities and equity	$ 723,625	$ 722,327

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.