Business combination contingent consideration aggregate fair market value.

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Business combination contingent consideration arrangements target revenue.

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Disposal Group, Including Discontinued Operation, Consideration Receivable

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Gain (loss) on sale of developed system assets, net.

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Number of shares of equity interests issued or issuable to acquire entity.

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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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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 liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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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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The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

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Acquisitions - Additional Information (Detail) $ in Thousands						1 Months Ended	3 Months Ended			12 Months Ended
	Aug. 07, 2019 USD ($) shares	Oct. 31, 2018 USD ($) shares	Dec. 30, 2016 shares	Sep. 21, 2015 USD ($) shares	Sep. 21, 2015 EUR (€) shares	Jan. 31, 2017 EUR (€)	Mar. 31, 2020 USD ($)	Mar. 31, 2020 EUR (€)	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Mar. 31, 2020 EUR (€)	Oct. 15, 2019 USD ($)
Business Acquisition [Line Items]
Gain on sale of assets							$ 0		$ (97)
Cash consideration payable							2,140			$ 1,084
Medical Surgery Technologies Ltd. \| First Tranche
Business Acquisition [Line Items]
Cash consideration		$ 5,800
Common shares issued (in shares) \| shares		242,310
Medical Surgery Technologies Ltd. \| Second Tranche
Business Acquisition [Line Items]
Common shares issued (in shares) \| shares	370,423
Additional consideration payable in cash, stock or cash and stock		$ 6,600
Stock consideration	$ 6,600
Senhance Surgical Robotic System Acquisition
Business Acquisition [Line Items]
Common shares issued (in shares) \| shares			286,360	1,195,647	1,195,647
Additional consideration payable in cash, stock or cash and stock							2,100			1,100
Senhance Surgical Robotic System Acquisition \| U.S. Dollars
Business Acquisition [Line Items]
Cash consideration				$ 25,000
Senhance Surgical Robotic System Acquisition \| Euro
Business Acquisition [Line Items]
Cash consideration \| €					€ 27,500,000
Senhance Surgical Robotic System Acquisition \| Second Tranche
Business Acquisition [Line Items]
Cash consideration \| €								€ 15,100,000
Aggregate fair market value \| €						€ 5,000,000.0
Senhance Surgical Robotic System Acquisition \| Second Tranche \| U.S. Dollars
Business Acquisition [Line Items]
Cash consideration payable							$ 25,000
Senhance Surgical Robotic System Acquisition \| Second Tranche \| Euro
Business Acquisition [Line Items]
Cash consideration payable \| €											€ 22,500,000
Senhance Surgical Robotic System Acquisition \| Third Tranche
Business Acquisition [Line Items]
Cash consideration payable \| €											15,000,000.0
Senhance Surgical Robotic System Acquisition \| Third Tranche \| Minimum
Business Acquisition [Line Items]
Target revenue to be achieved \| €											€ 25,000,000.0
Senhance Surgical Robotic System Acquisition \| Fourth Tranche
Business Acquisition [Line Items]
Cash consideration \| €								€ 2,400,000
Cash consideration payable \| €					€ 2,500,000
AutoLap
Business Acquisition [Line Items]
Proceeds from sale												$ 17,000
Cash consideration on sale of assets										16,000
Consideration receivable on disposal of assets												$ 1,000
AutoLap
Business Acquisition [Line Items]
Gain on sale of assets										$ 16,000