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Inventories - Narrative (Detail) - USD ($) $ in Millions | Sep. 30, 2018 | Sep. 30, 2017
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Inventory Disclosure [Abstract] |  |
Other Inventory, Capitalized Costs, Gross | $ 0.7 | $ 0.4

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- References No definition available. + Details
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- Definition Amount, before valuation and last-in first out (LIFO) reserves, of costs capitalized in inventory classified as other, expected to be sold, or consumed within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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