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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) | 9 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Sep. 30, 2018
Goodwill And Other Intangible Assets [Line Items] |  |
Impairment of goodwill and long-lived assets | $ 0 |
Carrying amount of indefinite trade names acquired | 14,000,000 |
CoAdna Holdings, Inc. |  |
Goodwill And Other Intangible Assets [Line Items] |  |
Identifiable intangibles assets recorded in connection with acquisitions |  | $ 16,072,000
Redstone Aerospace Corporation |  |
Goodwill And Other Intangible Assets [Line Items] |  |
Identifiable intangibles assets recorded in connection with acquisitions | $ 9,100,000 |
Technology and Patents |  |
Goodwill And Other Intangible Assets [Line Items] |  |
Remaining amortization period of patents and customer lists, in months | 86 months |
Technology and Patents | Minimum |  |
Goodwill And Other Intangible Assets [Line Items] |  |
Amortization period of finite lived intangible assets, in months | 60 months |
Technology and Patents | Maximum |  |
Goodwill And Other Intangible Assets [Line Items] |  |
Amortization period of finite lived intangible assets, in months | 240 months |
Technology and Patents | CoAdna Holdings, Inc. |  |
Goodwill And Other Intangible Assets [Line Items] |  |
Identifiable intangibles assets recorded in connection with acquisitions | $ 9,800,000 |
Customer Lists |  |
Goodwill And Other Intangible Assets [Line Items] |  |
Remaining amortization period of patents and customer lists, in months | 131 months |
Customer Lists | Minimum |  |
Goodwill And Other Intangible Assets [Line Items] |  |
Amortization period of finite lived intangible assets, in months | 120 months |
Customer Lists | Maximum |  |
Goodwill And Other Intangible Assets [Line Items] |  |
Amortization period of finite lived intangible assets, in months | 240 months |
Customer Lists | CoAdna Holdings, Inc. |  |
Goodwill And Other Intangible Assets [Line Items] |  |
Identifiable intangibles assets recorded in connection with acquisitions | $ 6,300,000 |
Technology-Based Intangible Assets | WSS Product Line |  |
Goodwill And Other Intangible Assets [Line Items] |  |
Identifiable intangibles assets recorded in connection with acquisitions | 6,300,000 |
Technology-Based Intangible Assets | Redstone Aerospace Corporation |  |
Goodwill And Other Intangible Assets [Line Items] |  |
Identifiable intangibles assets recorded in connection with acquisitions | $ 9,100,000 |

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- Definition Goodwill and other intangible assets. + References No definition available. + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill. + References No definition available. + Details
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- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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