Goodwill and Intangible Assets - Additional Information (Detail) - DCC Labs [Member] - USD ($) |
3 Months Ended | ||
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Jan. 31, 2017 |
Oct. 31, 2016 |
Jul. 31, 2016 |
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Goodwill And Intangible Assets [Line Items] | |||
Goodwill | $ 5,400,000 | ||
Minimum [Member] | |||
Goodwill And Intangible Assets [Line Items] | |||
Excess fair value amount over and above the carrying value of the net assets | $ 15,400,000 | ||
Excess fair value percentage over and above the carrying value of the net assets | 15.00% | ||
Maximum [Member] | |||
Goodwill And Intangible Assets [Line Items] | |||
Excess fair value amount over and above the carrying value of the net assets | $ 25,000,000 | ||
Excess fair value percentage over and above the carrying value of the net assets | 24.40% | ||
Scenario, Forecast [Member] | Minimum [Member] | |||
Goodwill And Intangible Assets [Line Items] | |||
Goodwill, Impairment charges | $ 0 | ||
Scenario, Forecast [Member] | Maximum [Member] | |||
Goodwill And Intangible Assets [Line Items] | |||
Goodwill, Impairment charges | $ 45,700,000 |
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- Definition Goodwill And Intangible Assets [Line Items] No definition available.
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of goodwill at the balance sheet date before fresh-start adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of fair value of reporting unit in excess of carrying amount. No definition available.
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- Definition Percentage of fair value of reporting unit in excess of carrying amount. No definition available.
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