Basis of Presentation	9 Months Ended
Sep. 30, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Description of Business - Knowles Corporation (NYSE: KN) is a market leader and global supplier of advanced micro-acoustic, audio processing, and specialty component solutions, serving the mobile consumer electronics, communications, medical, military, aerospace, and industrial markets. Knowles uses its leading position in MEMS (micro-electro-mechanical systems) microphones and strong capabilities in audio processing technologies to optimize audio systems and improve the user experience in smartphones, tablets, and wearables. Knowles is also the leader in acoustics components used in hearing aids and has a strong position in high end oscillators (timing devices) and capacitors. References to “Knowles,” “the Company,” “we,” “our” and “us” refer to Knowles Corporation and its consolidated subsidiaries. Financial Statement Presentation - The accompanying unaudited interim Consolidated Financial Statements have been prepared pursuant to the rules and regulations of the SEC for quarterly reports on Form 10-Q and do not include all of the information and note disclosures required by U.S. generally accepted accounting principles ("GAAP" or “U.S. GAAP”) for complete financial statements. These unaudited interim Consolidated Financial Statements should therefore be read in conjunction with the Consolidated Financial Statements and Notes thereto for the year ended December 31, 2015 included in the Company’s Annual Report on Form 10-K. The accompanying unaudited interim Consolidated Financial Statements have been prepared in accordance with U.S. GAAP, which requires management to make estimates and assumptions that affect amounts reported in the Consolidated Financial Statements and accompanying disclosures. Although these estimates are based on management’s best knowledge of current events and actions that the Company may undertake in the future, actual results may differ from those estimates. The unaudited interim Consolidated Financial Statements reflect all adjustments of a normal, recurring nature that are, in the opinion of management, necessary for a fair statement of results for these interim periods. The results of operations of any interim period are not necessarily indicative of the results of operations for the full year. On July 1, 2015, the Company completed its acquisition of all of the outstanding shares of common stock (“Shares”) of Audience, Inc. ("Audience"). The financial results of Audience were included in the Company's consolidated statements of comprehensive earnings and statement of cash flows beginning July 1, 2015 and the consolidated balance sheet as of September 30, 2015. As discussed in Note 2. Disposed and Discontinued Operations, the Company completed its sale of the speaker and receiver product line on July 7, 2016 and reclassified the speaker and receiver product line within the Mobile Consumer Electronics ("MCE") segment ("speaker and receiver product line") to discontinued operations in the first quarter of 2016 following its announcement that it would sell the product line. In accordance with Accounting Standards Codification ("ASC") No. 205-20, Presentation of Financial Statements - Discontinued Operations, the results of operations and related assets and liabilities for the speaker and receiver product line have been reclassified as discontinued operations for all periods presented. Non-cash Investing Activities - Purchases of property, plant and equipment included in accounts payable at September 30, 2016 and 2015 were $3.8 million and $5.4 million, respectively. The Company also entered into a capital lease for new equipment in the second quarter of 2015 and recorded a corresponding capital lease obligation at September 30, 2015 of $13.6 million. These non-cash amounts are not reflected as outflows to Additions to property, plant and equipment within investing activities of the Consolidated Statements of Cash Flows for the respective periods.

Description of Business - Knowles Corporation (NYSE: KN) is a market leader and global supplier of advanced micro-acoustic, audio processing, and specialty component solutions, serving the mobile consumer electronics, communications, medical, military, aerospace, and industrial markets. Knowles uses its leading position in MEMS (micro-electro-mechanical systems) microphones and strong capabilities in audio processing technologies to optimize audio systems and improve the user experience in smartphones, tablets, and wearables. Knowles is also the leader in acoustics components used in hearing aids and has a strong position in high end oscillators (timing devices) and capacitors. References to “Knowles,” “the Company,” “we,” “our” and “us” refer to Knowles Corporation and its consolidated subsidiaries.

Financial Statement Presentation - The accompanying unaudited interim Consolidated Financial Statements have been prepared pursuant to the rules and regulations of the SEC for quarterly reports on Form 10-Q and do not include all of the information and note disclosures required by U.S. generally accepted accounting principles ("GAAP" or “U.S. GAAP”) for complete financial statements. These unaudited interim Consolidated Financial Statements should therefore be read in conjunction with the Consolidated Financial Statements and Notes thereto for the year ended December 31, 2015 included in the Company’s Annual Report on Form 10-K.

The accompanying unaudited interim Consolidated Financial Statements have been prepared in accordance with U.S. GAAP, which requires management to make estimates and assumptions that affect amounts reported in the Consolidated Financial Statements and accompanying disclosures. Although these estimates are based on management’s best knowledge of current events and actions that the Company may undertake in the future, actual results may differ from those estimates. The unaudited interim Consolidated Financial Statements reflect all adjustments of a normal, recurring nature that are, in the opinion of management, necessary for a fair statement of results for these interim periods. The results of operations of any interim period are not necessarily indicative of the results of operations for the full year.

On July 1, 2015, the Company completed its acquisition of all of the outstanding shares of common stock (“Shares”) of Audience, Inc. ("Audience"). The financial results of Audience were included in the Company's consolidated statements of comprehensive earnings and statement of cash flows beginning July 1, 2015 and the consolidated balance sheet as of September 30, 2015.

As discussed in Note 2. Disposed and Discontinued Operations, the Company completed its sale of the speaker and receiver product line on July 7, 2016 and reclassified the speaker and receiver product line within the Mobile Consumer Electronics ("MCE") segment ("speaker and receiver product line") to discontinued operations in the first quarter of 2016 following its announcement that it would sell the product line. In accordance with Accounting Standards Codification ("ASC") No. 205-20, Presentation of Financial Statements - Discontinued Operations, the results of operations and related assets and liabilities for the speaker and receiver product line have been reclassified as discontinued operations for all periods presented.

Non-cash Investing Activities - Purchases of property, plant and equipment included in accounts payable at September 30, 2016 and 2015 were $3.8 million and $5.4 million, respectively. The Company also entered into a capital lease for new equipment in the second quarter of 2015 and recorded a corresponding capital lease obligation at September 30, 2015 of $13.6 million. These non-cash amounts are not reflected as outflows to Additions to property, plant and equipment within investing activities of the Consolidated Statements of Cash Flows for the respective periods.