Acquisition	9 Months Ended
Jun. 30, 2018
Business Combinations [Abstract]
Acquisition	Acquisitions On January 15, 2018, the Company entered into a definitive acquisition agreement with Spectrum Brands Holdings, Inc. to acquire its global battery, lighting, and portable power business (Spectrum acquisition) for a purchase price of $2,000.0 in cash, subject to certain purchase price adjustments. Energizer will fund this acquisition through the net proceeds from the issuance of new senior notes maturing in 2026, term loans and cash on hand. In addition, Energizer intends to maintain its existing senior notes, maturing in 2025. Refer to Note 9, Debt, for additional discussion on the new senior notes associated with this acquisition which were issued and placed into escrow on July 6, 2018. The closing of this transaction is subject to various conditions and regulatory approvals, but is expected to close by the end of calendar year 2018. The Company is also committed to pay a $100.0 termination fee to Spectrum if the transaction does not close by July 15, 2019, and all conditions precedent to the Company’s obligation to consummate the acquisition have otherwise been satisfied except for one or more of the regulatory approval conditions specified in the acquisition agreement. Success fees of $11.0 are due to the financial adviser, subject to the closing of the transaction. In addition, $2.0 was paid in January 2018 to the financial adviser for services rendered on the transaction. The Company incurred $25.8 and $50.9 of pre-tax acquisition and integration costs in the quarter and nine months ended June 30, 2018, respectively. Included in the quarter and nine month pre-tax acquisition and integration costs were $3.4 and $6.3, respectively, of debt commitment fees related to the Spectrum acquisition that were recorded in Interest expense. The remaining pre-tax acquisition and integration costs were recorded in SG&A and primarily related to legal, consulting and advisory fees to assist with obtaining regulatory approval around the globe and to plan for the closing and integration of the Spectrum acquisition. The Company also recorded a gain in Other items, net of $9.9 on foreign currency contracts which were entered into in June 2018 and locked in the U.S. dollar (USD) value of the Euro notes related to the Spectrum acquisition. These contracts were terminated when the funds were placed into escrow on July 6, 2018. The Company also incurred $0.5 and $6.0 of tax withholding costs in the quarter and nine months ending June 30, 2018, related to anticipated cash movement to fund the acquisition. Subsequent to the end of the quarter, on July 2, 2018, the Company acquired all of Reed-Union Corporation's automotive appearance business, including Nu Finish Car Polish and Nu Finish Scratch Doctor brands. The acquisition purchase price of $37.7, subject to working capital adjustments, was funded through a combination of cash on hand and committed debt facilities.

Acquisitions

On January 15, 2018, the Company entered into a definitive acquisition agreement with Spectrum Brands Holdings, Inc. to acquire its global battery, lighting, and portable power business (Spectrum acquisition) for a purchase price of $2,000.0 in cash, subject to certain purchase price adjustments. Energizer will fund this acquisition through the net proceeds from the issuance of new senior notes maturing in 2026, term loans and cash on hand. In addition, Energizer intends to maintain its existing senior notes, maturing in 2025. Refer to Note 9, Debt, for additional discussion on the new senior notes associated with this acquisition which were issued and placed into escrow on July 6, 2018. The closing of this transaction is subject to various conditions and regulatory approvals, but is expected to close by the end of calendar year 2018.

The Company is also committed to pay a $100.0 termination fee to Spectrum if the transaction does not close by July 15, 2019, and all conditions precedent to the Company’s obligation to consummate the acquisition have otherwise been satisfied except for one or more of the regulatory approval conditions specified in the acquisition agreement. Success fees of $11.0 are due to the financial adviser, subject to the closing of the transaction. In addition, $2.0 was paid in January 2018 to the financial adviser for services rendered on the transaction.

The Company incurred $25.8 and $50.9 of pre-tax acquisition and integration costs in the quarter and nine months ended June 30, 2018, respectively. Included in the quarter and nine month pre-tax acquisition and integration costs were $3.4 and $6.3, respectively, of debt commitment fees related to the Spectrum acquisition that were recorded in Interest expense. The remaining pre-tax acquisition and integration costs were recorded in SG&A and primarily related to legal, consulting and advisory fees to assist with obtaining regulatory approval around the globe and to plan for the closing and integration of the Spectrum acquisition.

The Company also recorded a gain in Other items, net of $9.9 on foreign currency contracts which were entered into in June 2018 and locked in the U.S. dollar (USD) value of the Euro notes related to the Spectrum acquisition. These contracts were terminated when the funds were placed into escrow on July 6, 2018. The Company also incurred $0.5 and $6.0 of tax withholding costs in the quarter and nine months ending June 30, 2018, related to anticipated cash movement to fund the acquisition.

Subsequent to the end of the quarter, on July 2, 2018, the Company acquired all of Reed-Union Corporation's automotive appearance business, including Nu Finish Car Polish and Nu Finish Scratch Doctor brands. The acquisition purchase price of $37.7, subject to working capital adjustments, was funded through a combination of cash on hand and committed debt facilities.