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Significant Accounting Policies and Practices and Recent Accounting Pronouncements - Additional Details (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Sep. 30, 2017
Subsidiary or Equity Method Investee [Line Items] |  |
Document Period End Date | Mar. 31, 2018 |
Debt Issuance Costs, Net | $ 63.1 | $ 76.1
Spectrum Brands [Member] |  |
Subsidiary or Equity Method Investee [Line Items] |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | 38.00% |
Customer Relationships [Member] | Minimum [Member] |  |
Subsidiary or Equity Method Investee [Line Items] |  |
Amortization period, intangible asset | 2 years |
Customer Relationships [Member] | Maximum |  |
Subsidiary or Equity Method Investee [Line Items] |  |
Amortization period, intangible asset | 20 years |
Technology Assets [Member] | Minimum [Member] |  |
Subsidiary or Equity Method Investee [Line Items] |  |
Amortization period, intangible asset | 6 years |
Technology Assets [Member] | Maximum |  |
Subsidiary or Equity Method Investee [Line Items] |  |
Amortization period, intangible asset | 18 years |
Trade Name [Member] | Minimum [Member] |  |
Subsidiary or Equity Method Investee [Line Items] |  |
Amortization period, intangible asset | 5 years |
Trade Name [Member] | Maximum |  |
Subsidiary or Equity Method Investee [Line Items] |  |
Amortization period, intangible asset | 13 years |

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