Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 161,552	$ 165,176
Accounts receivable, net	458,459	430,676
Inventories
Raw materials and supplies	146,289	129,382
Work-in-process and finished goods	153,506	135,149
Prepaid expenses and other current assets	67,853	59,871
Total current assets	987,659	920,254
Property, plant and equipment, at cost	439,318	434,344
Less accumulated depreciation	(242,203)	(236,824)
Property, plant and equipment, net	197,115	197,520
Right of use lease assets	38,245	36,635
Goodwill	630,938	631,194
Other intangible assets, net	1,012,068	1,027,782
Investments in associated companies	90,003	95,278
Deferred tax assets	11,496	16,138
Other non-current assets	29,198	30,959
Total assets	2,996,722	2,955,760
Current liabilities
Short-term borrowings and current portion of long-term debt	61,385	56,935
Accounts payable	253,906	226,656
Dividends payable	7,433	7,427
Accrued compensation	26,396	38,197
Accrued restructuring	4,435	4,087
Accrued pension and postretirement benefits	1,549	1,548
Other accrued liabilities	97,445	95,617
Total current liabilities	452,549	430,467
Long-term debt	858,287	836,412
Long-term lease liabilities	27,433	26,335
Deferred tax liabilities	170,622	179,025
Non-current accrued pension and postretirement benefits	44,667	45,984
Other non-current liabilities	47,464	49,615
Total liabilities	1,601,022	1,567,838
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Common stock, $1 par value; authorized 30,000,000 shares; issued and outstanding 2022 - 17,911,583 shares; 2021 - 17,897,033 shares	17,912	17,897
Capital in excess of par value	918,699	917,053
Retained earnings	528,716	516,334
Accumulated other comprehensive loss	(70,261)	(63,990)
Total Quaker shareholders' equity	1,395,066	1,387,294
Noncontrolling interest	634	628
Total equity	1,395,700	1,387,922
Total liabilities and equity	$ 2,996,722	$ 2,955,760