Acquisitions - Narrative (Details) - USD ($) $ in Thousands				12 Months Ended
	Jul. 27, 2021	Dec. 17, 2019	Oct. 02, 2019	May 31, 2020	May 31, 2022	May 31, 2021
Business Acquisition [Line Items]
Contract liabilities					$ 526	$ 426
Other long-term liabilities					4,736	8,701
Accrued liabilities					$ 34,842	$ 35,459
QX Medical, LLC Camaro Support Catheter Asset Acquisition
Business Acquisition [Line Items]
Contract liabilities	$ 3,600
Contract with customer, liability, current	400
Potential future contingent consideration	1,000
Inventory and fixed assets	$ 100
Amortization period	15 years
Aggregate purchase price	$ 4,000
C3 Wave Tip Location Asset
Business Acquisition [Line Items]
Aggregate purchase price		$ 10,000
Contingent consideration for acquisition earn outs		5,000
Inventory		$ 600
Estimated useful life of intangible assets other than goodwill (years)		15 years
Product technology | QX Medical, LLC Camaro Support Catheter Asset Acquisition
Business Acquisition [Line Items]
Intangible asset product technology	$ 3,900
Product technology | C3 Wave Tip Location Asset
Business Acquisition [Line Items]
Finite-lived intangibles		$ 8,500
Trademarks | C3 Wave Tip Location Asset
Business Acquisition [Line Items]
Finite-lived intangibles		$ 900
Eximo Medical, Ltd.
Business Acquisition [Line Items]
Aggregate purchase price			$ 60,700
Payments to acquire business			45,800
Revenue based payments			14,900
Acquisition related costs				$ 600
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory			150
Eximo Medical, Ltd. | Product technology
Business Acquisition [Line Items]
Intangible assets			$ 60,300
Useful life			15 years