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Derivative Financial Instruments - Summary of Gain (Loss) Recognized in Income on Oil and Gas Commodity Contracts on (Detail) - Spectrum Brands [Member] - USD ($) $ in Millions | Jun. 30, 2017 | Sep. 30, 2016
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Zinc Commodity Swap Contract [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative Contracts Market Value | $ 18.2 | $ 12.8
Bronze Commodity Contract [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative Contracts Market Value | $ 5.9 | $ 4.0

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- Details
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- Details
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