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Overview | 9 Months Ended
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Sep. 30, 2025
Accounting Policies [Abstract] |
Overview | Overview Basis of Presentation Cooper-Standard Holdings Inc. (together with its consolidated subsidiaries, the “Company” or “Cooper Standard”), through its wholly-owned subsidiary, Cooper-Standard Automotive Inc. (“CSA U.S.”), is a leading manufacturer of sealing systems and fluid handling systems (consisting of fuel and brake delivery systems and fluid transfer systems). The Company’s products are primarily designed for passenger vehicles and light trucks that are manufactured by global automotive original equipment manufacturers (“OEMs”) and replacement markets. Nearly all of the Company’s activities are conducted through its subsidiaries. The accompanying unaudited condensed consolidated financial statements have been prepared pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (the “SEC”) for interim financial information and should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 (the “2024 Annual Report”), as filed with the SEC. Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States (“U.S. GAAP”) for complete financial statements. These financial statements include all adjustments (consisting of normal, recurring adjustments) considered necessary for a fair presentation of the financial position and results of operations of the Company. The operating results for the interim period ended September 30, 2025 are not necessarily indicative of results for the full year. In preparing these financial statements, the Company has evaluated events and transactions for potential recognition or disclosure through the date the financial statements were issued.
New Accounting Pronouncements and Changes in Accounting Principles [Text Block] | Recently Adopted Accounting Pronouncements The Company adopted the following Accounting Standard Updates (“ASU”) during the nine months ended September 30, 2025, which did not have a material impact on its condensed consolidated financial statements:
Standard |  | Description |  | Effective Date |  |
ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures |  | Requires disclosure of specific categories in the effective tax rate reconciliation, as well as additional information for reconciling items that meet a quantitative threshold. It also requires disclosure of income taxes paid, net of refunds, disaggregated by federal, state and foreign taxes, and further disaggregated by jurisdiction based on a quantitative threshold. These disclosures will be applied prospectively on an annual basis beginning with the Company’s 2025 Annual Report on Form 10-K. |  | January 1, 2025 |  |
ASU 2023-05, Business Combinations - Joint Venture Formations (Subtopic 805-60): Recognition and Initial Measurement |  | Requires joint ventures to apply a new basis of accounting upon formation, and as a result, initially measure all assets and liabilities at fair value (with exceptions to fair value measurement that are consistent with the business combinations guidance). |  | January 1, 2025 |  |
Recently Issued Accounting Pronouncements The Company considered the recently issued accounting pronouncements summarized as follows:
Standard |  | Description |  | Impact |  | Effective Date
ASU 2025-05, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets |  | Provides a practical expedient that, if elected, allows entities to assume that current conditions as of the balance sheet date will not change for the remaining life of assets when estimating expected credit losses for current accounts receivable and current contract assets arising from transactions accounted for under ASC 606, Revenue from Contracts with Customer s. |  | The Company is currently evaluating the impact of this update on its consolidated financial statements and disclosures. |  | January 1, 2026
ASU 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses |  | Requires disclosure of specified information about certain expenses presented in the statements of operations within the notes to financial statements at each interim and annual reporting period. It also requires disclosure of the total amount of selling expenses and, in annual reporting periods, an entity’s definition of selling expenses. |  | The Company is currently evaluating the impact of this update on its consolidated financial statements and disclosures. |  | January 1, 2027
ASU 2025-01, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Clarifying the Effective Date |  | Amends the effective date of ASU 2024-03 to clarify that all public business entities are required to adopt the guidance in annual reporting periods beginning after December 15, 2026, and interim periods within annual reporting periods beginning after December 15, 2027. |  | The Company is currently evaluating the impact of this update on its consolidated financial statements and disclosures. |  | January 1, 2027

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