Business Combinations	3 Months Ended
Mar. 31, 2020
Business Combinations [Abstract]
BUSINESS COMBINATIONS	On December 19, 2019, we entered into a definitive share purchase agreement (the Agreement) with Clariant AG, a corporation organized and existing under the laws of Switzerland (Clariant), and through one of our wholly owned subsidiaries, a definitive business transfer agreement (the BTA), with Clariant Chemicals (India) Limited, a public limited company incorporated in India and an indirect majority-owned subsidiary of Clariant (Clariant India). Pursuant to the Agreement, we have agreed to acquire Clariant’s global masterbatch business outside of India, and pursuant to the BTA, we have agreed to purchase Clariant India’s masterbatch business, for a net purchase price of $1.45 billion in cash, subject to customary working capital and net debt adjustments (the businesses are collectively referred to as Clariant Masterbatch (or MB) and the acquisitions are collectively referred to as the Clariant MB Acquisition). Each of the Agreement and the BTA contain certain customary termination rights, and, with respect to the Agreement only, the requirement that PolyOne pay a termination fee in the event the Agreement is terminated under certain conditions. The closing of each acquisition is expected to occur in 2020, subject to the receipt of regulatory approvals, the satisfaction or waiver of customary closing conditions and, in the case of the Clariant India masterbatch acquisition, shareholder approval of Clariant India, which occurred in February. In connection with the Clariant MB Acquisition, on December 19, 2019, we entered into a Commitment Letter with a number of banks (the Commitment Parties), pursuant to which the Commitment Parties have provided a 12-month commitment for a $1.15 billion senior unsecured bridge loan facility (the Bridge Facility) for purposes of funding the Clariant MB Acquisition. The Commitment Parties’ commitments under the Bridge Facility were subsequently reduced on a dollar-for-dollar basis by the net proceeds from the issuance of common shares described below. The Company currently intends to issue new senior unsecured notes in lieu of borrowing under the Bridge Facility. We intend to use (i) a portion of the net proceeds from the sale of our Performance Products and Solutions segment (PP&S), (ii) the net proceeds from the issuance of common shares in an underwritten public offering that we completed in February 2020 and (iii) the net proceeds of an anticipated senior unsecured notes offering to finance the Clariant MB Acquisition, including the payment of related fees and expenses. Our acquisitions of PlastiComp, Inc. (PlastiComp) on May 31, 2018 and Fiber-Line, LLC (Fiber-Line) on January 2, 2019 involve contingent earnout consideration. The PlastiComp earnout has a ceiling of $35.0 million, which was reached during the first quarter of 2020 and is reflected within Accrued expenses and other current liabilities on the Condensed Consolidated Balance Sheets. The Fiber-Line earnout was paid in the first quarter of 2020. During the three months ended March 31, 2020, earnout charges of $1.0 million were recorded within Selling and administrative expense on the Condensed Consolidated Statements of Income, primarily attributable to improved earnings from the acquisitions.

On December 19, 2019, we entered into a definitive share purchase agreement (the Agreement) with Clariant AG, a corporation organized and existing under the laws of Switzerland (Clariant), and through one of our wholly owned subsidiaries, a definitive business transfer agreement (the BTA), with Clariant Chemicals (India) Limited, a public limited company incorporated in India and an indirect majority-owned subsidiary of Clariant (Clariant India). Pursuant to the Agreement, we have agreed to acquire Clariant’s global masterbatch business outside of India, and pursuant to the BTA, we have agreed to purchase Clariant India’s masterbatch business, for a net purchase price of $1.45 billion in cash, subject to customary working capital and net debt adjustments (the businesses are collectively referred to as Clariant Masterbatch (or MB) and the acquisitions are collectively referred to as the Clariant MB Acquisition). Each of the Agreement and the BTA contain certain customary termination rights, and, with respect to the Agreement only, the requirement that PolyOne pay a termination fee in the event the Agreement is terminated under certain conditions. The closing of each acquisition is expected to occur in 2020, subject to the receipt of regulatory approvals, the satisfaction or waiver of customary closing conditions and, in the case of the Clariant India masterbatch acquisition, shareholder approval of Clariant India, which occurred in February. In connection with the Clariant MB Acquisition, on December 19, 2019, we entered into a Commitment Letter with a number of banks (the Commitment Parties), pursuant to which the Commitment Parties have provided a 12-month commitment for a $1.15 billion senior unsecured bridge loan facility (the Bridge Facility) for purposes of funding the Clariant MB Acquisition. The Commitment Parties’ commitments under the Bridge Facility were subsequently reduced on a dollar-for-dollar basis by the net proceeds from the issuance of common shares described below. The Company currently intends to issue new senior unsecured notes in lieu of borrowing under the Bridge Facility. We intend to use (i) a portion of the net proceeds from the sale of our Performance Products and Solutions segment (PP&S), (ii) the net proceeds from the issuance of common shares in an underwritten public offering that we completed in February 2020 and (iii) the net proceeds of an anticipated senior unsecured notes offering to finance the Clariant MB Acquisition, including the payment of related fees and expenses.