Acquisitions - Summary of Fair Value Consideration (Detail)2 - Medical Surgery Technologies Limited $ in Thousands	Oct. 31, 2018 USD ($)
Business Acquisition [Line Items]
Stock consideration	$ 8,300
Cash consideration	5,800
Present value of deferred consideration	5,900
Other consideration	314
Total consideration	$ 20,314

Business combination present value of deferred consideration.

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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.

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No definition available.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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