Income Taxes	3 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The three month effective tax rate was 21.3% as compared to 49.2% for the prior year comparative period. The provisions included the impact of the U.S. tax legislation discussed below. On December 22, 2017, H.R. 1, formally known as the Tax Cuts and Jobs Act (the Tax Act) was enacted into law. The Tax Act provided for numerous significant tax law changes and modifications with varying effective dates, which included reducing the corporate income tax rate from 35% to 21%, creating a territorial tax system (with a mandatory transition tax on previously deferred foreign earnings) and allowing for immediate capital expensing of certain qualified property. As a fiscal year end taxpayer, certain provisions of the Tax Act began to impact us in the fiscal quarter ended December 31, 2017, while other provisions did not impact us until fiscal 2019. The corporate tax rate reduction was effective for Energizer as of January 1, 2018 and resulted in a fiscal year federal statutory blended rate of 24.5% for fiscal year 2018 with the full impact of the reduced rate to 21% beginning in fiscal year 2019. The changes included in the Tax Act are broad and complex. The Securities and Exchange Commission has issued rules (SAB 118) that allow taxpayers to record a reasonable estimate of the impact of the US legislation for a measurement period of up to one year after the enactment date of the Tax Act. As a result of the reduction of the Federal corporate income tax rate, the Company remeasured certain deferred tax assets and liabilities at the rate which they are expected to reverse in the future. The Company has finalized the remeasurement and did not have any adjustments to the $3.0 recorded in fiscal year 2018. The provision for the three months ended December 31, 2017 included approximately $1. The mandatory transition tax is based on our total post-1986 earnings and profits (E&P) that we previously deferred from U.S. income taxes as well as the amount of non-U.S. income tax paid on such earnings. We have completed our accounting for the income tax effect of the mandatory transition tax in the first quarter of fiscal 2019. We have recorded an additional $1.5 recorded during the three months ended December 31, 2018 related to the anticipated state tax impact for a total tax of $37.5. Included in the provision for the three months ended December 31, 2017 was an initial estimate of $30.0 related to the transition tax. Beginning in fiscal 2019, the Tax Act created a provision known as Global Intangible Low Taxed Income (GILTI) that imposes tax on certain earnings of foreign subsidiaries. The Company has elected to treat GILTI as a current period expense.

Income Taxes

The three month effective tax rate was 21.3% as compared to 49.2% for the prior year comparative period. The provisions included the impact of the U.S. tax legislation discussed below.

On December 22, 2017, H.R. 1, formally known as the Tax Cuts and Jobs Act (the Tax Act) was enacted into law. The Tax Act provided for numerous significant tax law changes and modifications with varying effective dates, which included reducing the corporate income tax rate from 35% to 21%, creating a territorial tax system (with a mandatory transition tax on previously deferred foreign earnings) and allowing for immediate capital expensing of certain qualified property. As a fiscal year end taxpayer, certain provisions of the Tax Act began to impact us in the fiscal quarter ended December 31, 2017, while other provisions did not impact us until fiscal 2019. The corporate tax rate reduction was effective for Energizer as of January 1, 2018 and resulted in a fiscal year federal statutory blended rate of 24.5% for fiscal year 2018 with the full impact of the reduced rate to 21% beginning in fiscal year 2019.

The changes included in the Tax Act are broad and complex. The Securities and Exchange Commission has issued rules (SAB 118) that allow taxpayers to record a reasonable estimate of the impact of the US legislation

for a measurement period of up to one year after the enactment date of the Tax Act.

As a result of the reduction of the Federal corporate income tax rate, the Company remeasured certain deferred tax assets and liabilities at the rate which they are expected to reverse in the future. The Company has finalized the remeasurement and did not have any adjustments to the $3.0 recorded in fiscal year 2018. The provision for the three months ended December 31, 2017 included approximately $1.

The mandatory transition tax is based on our total post-1986 earnings and profits (E&P) that we previously deferred from U.S. income taxes as well as the amount of non-U.S. income tax paid on such earnings. We have completed our accounting for the income tax effect of the mandatory transition tax in the first quarter of fiscal 2019. We have recorded an additional $1.5 recorded during the three months ended December 31, 2018 related to the anticipated state tax impact for a total tax of $37.5. Included in the provision for the three months ended December 31, 2017 was an initial estimate of $30.0 related to the transition tax.

Beginning in fiscal 2019, the Tax Act created a provision known as Global Intangible Low Taxed Income (GILTI) that imposes tax on certain earnings of foreign subsidiaries. The Company has elected to treat GILTI as a current period expense.