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Acquisitions - Narrative (Details) - USD ($) $ in Millions |  |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 17, 2019 | Oct. 02, 2019 | Feb. 28, 2021 | May 31, 2020
C3 Wave Tip Location Asset |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Aggregate purchase price | $ 10.0 |  |  |
Contingent consideration for acquisition earn outs | 5.0 |  |  |
Inventory | $ 0.6 |  |  |
Useful life (years) | 15 years |  |  |
Trademark | C3 Wave Tip Location Asset |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-lived intangibles | $ 0.9 |  |  |
Product technology | C3 Wave Tip Location Asset |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Finite-lived intangibles | $ 8.5 |  |  |
Eximo Medical, Ltd. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Aggregate purchase price |  | $ 60.7 |  |
Payments to acquire business |  | 45.8 |  |
Contingent consideration, liabilities |  | $ 14.9 |  |
Acquisition related costs |  |  |  | $ 0.6
Eximo Medical, Ltd. | Product technology |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful life (years) |  |  | 15 years |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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