Subsequent Events	12 Months Ended
Sep. 30, 2018
Subsequent Events [Abstract]
Subsequent Events	NOTE 23 – SUBSEQUENT EVENTS GBL Divestiture On November 15, 2018, subsequent to the year ended September 30, 2018, the Company entered into an amended acquisition agreement with Energizer for the previously disclosed sale of GBL to Energizer, to address a proposed remedy that Energizer submitted for consideration to the European Commission for review, including a potential downward adjustment to the purchase price of up to $200 million contingent upon the resolution and remedy with the European Commission. Spectrum expects to complete the transaction by the second quarter of the fiscal year ending September 30, 2019, contingent upon the European Commissions approval. The Company will continue to recognize the net assets of GBL as assets held for sale and a component of discontinued operations on the consolidated financial statements and does not anticipate that the adjustment to the purchase price will have an impact to the carrying value of the net assets. HPC Divestiture On November 15, 2018, subsequent to the year ended September 30, 2018, the Company made a strategic decision to cease marketing the HPC Division as held for sale, which was recognized as a component of discontinued operations from its GBA business. As of September 30, 2018, HPC continued to meet the criteria for recognition of assets held for sale, as a component of its GBA business, along with GBL, in accordance with ASC 360 as the Company was actively marketing and was in active discussions with third parties for the potential sale of the HPC business. As a result, the HPC business was classified as held for sale by the Company and discontinued operations for the year ended September 30, 2018 and all comparable periods. Subsequent to September 30, 2018, management made a strategic decision to no longer actively market and pursue a sale of the HPC business and recognize HPC as a component of the ongoing operations of the consolidated group. The Company will report the net assets as held for use and recognized operations as a component of continuing operations beginning the first quarter ended September 30, 2019 and for all comparable prior periods. GAC Divestitiure On November 15, 2018, subsequent to the year ended September 30, 2018, the Company entered into an agreement with Energizer Holdings, Inc. (“Energizer”) to sell its GAC business to Energizer for a $1.25 billion purchase price comprised of $937.5 million of cash and $312.5 million of Energizer equity. As of September 30, 2018, GAC did not meet the criteria for recognition of assets held for sale in accordance with ASC 360 and therefore was classified as held for use by the Company and included as a component of the continuing operations for the year ended September 30, 2018. The Company will report the net assets of GAC as held for sale and discontinued operations in all subsequent periods and retroactively adjust the comparable prior periods. The net assets of GAC will be measured at their fair value, less an estimated cost to sell, in the first quarter of the fiscal year ended September 30, 2019 and with impairment of the net assets recognized during that period.

NOTE 23 – SUBSEQUENT EVENTS

GBL Divestiture

On November 15, 2018, subsequent to the year ended September 30, 2018, the Company entered into an amended acquisition agreement with Energizer for the previously disclosed sale of GBL to Energizer, to address a proposed remedy that Energizer submitted for consideration to the European Commission for review, including a potential downward adjustment to the purchase price of up to $200 million contingent upon the resolution and remedy with the European Commission. Spectrum expects to complete the transaction by the second quarter of the fiscal year ending September 30, 2019, contingent upon the European Commissions approval. The Company will continue to recognize the net assets of GBL as assets held for sale and a component of discontinued operations on the consolidated financial statements and does not anticipate that the adjustment to the purchase price will have an impact to the carrying value of the net assets.

HPC Divestiture

On November 15, 2018, subsequent to the year ended September 30, 2018, the Company made a strategic decision to cease marketing the HPC Division as held for sale, which was recognized as a component of discontinued operations from its GBA business. As of September 30, 2018, HPC continued to meet the criteria for recognition of assets held for sale, as a component of its GBA business, along with GBL, in accordance with ASC 360 as the Company was actively marketing and was in active discussions with third parties for the potential sale of the HPC business. As a result, the HPC business was classified as held for sale by the Company and discontinued operations for the year ended September 30, 2018 and all comparable periods. Subsequent to September 30, 2018, management made a strategic decision to no longer actively market and pursue a sale of the HPC business and recognize HPC as a component of the ongoing operations of the consolidated group. The Company will report the net assets as held for use and recognized operations as a component of continuing operations beginning the first quarter ended September 30, 2019 and for all comparable prior periods.

GAC Divestitiure

On November 15, 2018, subsequent to the year ended September 30, 2018, the Company entered into an agreement with Energizer Holdings, Inc. (“Energizer”) to sell its GAC business to Energizer for a $1.25 billion purchase price comprised of $937.5 million of cash and $312.5 million of Energizer equity. As of September 30, 2018, GAC did not meet the criteria for recognition of assets held for sale in accordance with ASC 360 and therefore was classified as held for use by the Company and included as a component of the continuing operations for the year ended September 30, 2018. The Company will report the net assets of GAC as held for sale and discontinued operations in all subsequent periods and retroactively adjust the comparable prior periods. The net assets of GAC will be measured at their fair value, less an estimated cost to sell, in the first quarter of the fiscal year ended September 30, 2019 and with impairment of the net assets recognized during that period.