Represents the cash consideration paid to shareholders of the acquired entity excluding the acquisition-related costs of the acquisition.

No definition available.

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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.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
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-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
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-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

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Acquisitions - Aexis Medical (Details) - USD ($)		9 Months Ended		12 Months Ended
Acquisitions - Aexis Medical (Details) - USD ($)	Mar. 21, 2018	Apr. 30, 2019	Apr. 30, 2018	Jul. 31, 2018
Business Acquisition [Line Items]
Acquisition of businesses, net of cash acquired		$ 40,644,000	$ 84,595,000
Aexis
Business Acquisition [Line Items]
Total consideration for the transaction, excluding acquisition-related costs	$ 21,600,000			$ 21,600,000
Acquisition of businesses, net of cash acquired	20,308,000
Contingent consideration	1,292,000			$ 1,292,000
Minimum \| Aexis
Business Acquisition [Line Items]
Contingent consideration	0
Maximum \| Aexis
Business Acquisition [Line Items]
Contingent consideration	$ 1,850,000