Business Combinations	12 Months Ended
Business Combinations	Dec. 31, 2024
Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]
Business Combinations	Business Combinations Recent Acquisition Activity Subsequent to the date of these financial statements, in February 2025, the Company acquired Chemical Solutions & Innovations (Pty) Ltd. (“CSI”), for approximately $3.9 million, subject to routine and customary post-closing adjustments. CSI is based in South Africa and is a supplier of metalworking fluids and lubricants to the South African market. CSI will be reported as part of the EMEA reportable segment. This acquisition strengthens Quaker Houghton’s position in South Africa and expands the Company’s presence in that region. As of the date of this Report, purchase accounting has not been finalized. In July 2024, the Company acquired the Sutai Group (“Sutai”), for approximately $16.2 million, including an initial cash payment of $14.6 million, subject to routine and customary post-closing adjustments related to working capital and net indebtedness levels, as well as earn-out provisions with an initial estimated payout of $1.6 million related to the finalization of 2024 and 2025 earnings. Assets acquired included cash and cash equivalents of $5.5 million. The Company recorded incremental income of $0.4 million during the year ended December 31, 2024 relating to adjustments to these earnout provisions in Other income (expense), net on the Consolidated Statements of Operations. As of December 31, 2024, the Company has remaining earnout liabilities recorded on its Consolidated Balance Sheets of $1.2 million. Sutai is based in Japan and provides impregnation treatment products and services to the automotive and other industries. Sutai is reported as part of the Asia/Pacific reportable segment. This acquisition strengthens Quaker Houghton’s technology portfolio, enabling the Company to better support and optimize production processes for customers across the Japanese, Asia Pacific and global markets. The Company allocated $3.1 million of the purchase price to intangible assets and recognized $5.5 million of goodwill in the Asia/Pacific segment, none of which is deductible for tax purposes. The goodwill is primarily attributable to expected synergies. As of December 31, 2024, the allocation of the purchase price has not been finalized. During February 2024, the Company acquired I.K.V. Tribologie IKVT and its subsidiaries (“IKV”) for $35.2 million, including an initial cash payment of $29.7 million, subject to routine and customary post-closing adjustments related to working capital and net indebtedness levels as well as earn-out provisions related to the finalization of 2023 earnings. Assets acquired included approximately $4.8 million of cash and cash equivalents. IKV, which is part of the Company’s EMEA segment, specializes in high-performance lubricants and greases, including original equipment manufacturer first-fill greases that are primarily used in the automotive, aerospace, electronics and other industrial markets. The acquisition of IKV strengthens the Company’s position in first-fill greases. The Company allocated $15.0 million of the purchase price to intangible assets, comprised of approximately $11.1 million of customer relationships to be amortized over 16 years; $3.2 million of product technologies to be amortized over 14 years; and $0.7 million of trademarks to be amortized over 5 years. In addition, the Company recognized $16.4 million of goodwill in the EMEA segment, none of which is deductible for tax purposes. The goodwill is primarily attributable to expected cost and growth synergies. In July 2024, the 2023 earnings were finalized and the Company made a payment of $5.5 million in connection with the post-closing adjustments and earn-out provision. As of December 31, 2024, the allocation of the purchase price has been finalized. The results of operations of Sutai and IKV subsequent to the acquisition dates are included in the Consolidated Statements of Operations for the year ended December 31, 2024. Previous Acquisitions In October 2022, the Company acquired a business that provides pickling and rinsing products and services, which is part of the EMEA reportable segment, for approximately $3.5 million. The Company allocated $2.8 million of the purchase price to intangible assets, comprised of $2.3 million of customer relationships to be amortized over 10 years; $0.2 million of existing product technologies to be amortized over 10 years; and $0.3 million of licensed trademarks to be amortized over 10 years. In addition, the Company recorded $0.8 million of goodwill related to expected value not allocated to other acquired assets. In January 2022, the Company acquired a business that provides pickling inhibitor technologies, drawing lubricants and stamping oil, and various other lubrication, rust preventative, and cleaner applications, which is part of the Americas reportable segment for approximately $8.0 million. The Company allocated $5.6 million of the purchase price to intangible assets, comprised of $5.1 million of customer relationships to be amortized over 14 years; and $0.5 million of existing product technologies to be amortized over 14 years. In addition, the Company recorded $1.8 million of goodwill related to expected value not allocated to other acquired assets, all of which is expected to be tax deductible in various jurisdictions in which the Company operates. In January 2022, the Company acquired a business related to the sealing and impregnation of metal castings for the automotive sector, as well as impregnation resin and impregnation systems for metal parts, which is part of the EMEA reportable segment for approximately $1.4 million. The results of operations of each acquisition completed prior to December 31, 2024 and subsequent to the respective acquisition dates are included in the Consolidated Statements of Operations. Applicable transaction expenses associated with these acquisitions are included in SG&A in the Company’s Consolidated Statements of Operations. Certain pro forma and other information is not presented, as the operations of the acquired assets and businesses are not considered material to the overall operations of the Company for the periods presented.