Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 189,872	$ 180,963
Accounts receivable, net	482,746	472,888
Inventories
Raw materials and supplies	148,119	151,105
Work-in-process and finished goods	145,375	133,743
Prepaid expenses and other current assets	63,189	55,438
Total current assets	1,029,301	994,137
Property, plant and equipment, at cost	439,367	428,190
Less: Accumulated depreciation	(236,279)	(229,595)
Property, plant and equipment, net	203,088	198,595
Right of use lease assets	43,344	43,766
Goodwill	517,206	515,008
Other intangible assets, net	936,345	942,925
Investments in associated companies	90,841	88,234
Deferred tax assets	10,422	11,218
Other non-current assets	27,916	27,739
Total assets	2,858,463	2,821,622
Current liabilities
Short-term borrowings and current portion of long-term debt	19,350	19,245
Accounts payable	216,633	193,983
Dividends payable	7,822	7,808
Accrued compensation	26,713	39,834
Accrued restructuring	6,809	5,483
Accrued pension and postretirement benefits	1,572	1,560
Other accrued liabilities	90,513	86,873
Total current liabilities	369,412	354,786
Long-term debt	921,555	933,561
Long-term lease liabilities	26,086	26,967
Deferred tax liabilities	157,935	160,294
Non-current accrued pension and postretirement benefits	28,985	28,765
Other non-current liabilities	37,702	38,664
Total liabilities	1,541,675	1,543,037
Equity
Common stock $1 par value; authorized 30,000,000 shares; issued and outstanding March 31, 2023 – 17,981,822 shares; December 31, 2022 – 17,950,264 shares	17,982	17,950
Capital in excess of par value	929,674	928,288
Retained earnings	491,632	469,920
Accumulated other comprehensive loss	(123,177)	(138,240)
Total Quaker shareholders’ equity	1,316,111	1,277,918
Noncontrolling interest	677	667
Total equity	1,316,788	1,278,585
Total liabilities and equity	$ 2,858,463	$ 2,821,622