Severance and Other Restructuring Costs - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 9 Months Ended | |
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Apr. 30, 2017 |
Apr. 30, 2016 |
Apr. 30, 2017 |
Apr. 30, 2017 |
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Restructuring Cost and Reserve [Line Items] | ||||
Restructuring charges | $ 2,147 | $ 1,775 | ||
Restructuring Plan [Member] | ||||
Restructuring Cost and Reserve [Line Items] | ||||
Restructuring charges | $ 5,200 | |||
Estimated restructuring costs | 5,300 | $ 5,300 | $ 5,300 | |
Severance costs | $ 2,100 | |||
DCC Labs [Member] | ||||
Restructuring Cost and Reserve [Line Items] | ||||
Restructuring charges | $ 1,900 |
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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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