Business Combination, Consideration Transferred, Gross

No definition available.

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- Definition

Business Combination, Debt Instrument, Decrease, Forgiveness

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Business Combination, Equity Interest in Acquiree, Percentage

+ References

No definition available.

+ Details

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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.

+ Details

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- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

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- Definition

The amount of indemnification assets (amounts to be reimbursed if and when certain assumed liabilities are paid) recognized at the acquisition date of a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

+ Details

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Period Type:	instant

- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

+ Details

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- Details

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Acquisitions - Narrative (Details) - USD ($)			9 Months Ended
Acquisitions - Narrative (Details) - USD ($)	May 02, 2018	May 02, 2017	Sep. 30, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Escrow deposit - Caisson			$ 1,000,000	$ 0
Caisson Interventional LLC
Business Acquisition [Line Items]
Equity interest acquired		51.00%
Purchase price		$ 72,000,000
Debt forgiven		6,309,000
Cash paid		18,000,000
Contingent consideration		39,600,000
Acquired goodwill to be deductible for tax purposes		9,600,000
Escrow deposit - Caisson		$ 3,000,000
Revenue			0
Expenses			16,900,000
Caisson Interventional LLC \| Prepaid Expenses and Other Current Assets
Business Acquisition [Line Items]
Escrow deposit - Caisson			2,000,000
Caisson Interventional LLC \| Other Noncurrent Assets
Business Acquisition [Line Items]
Escrow deposit - Caisson			1,000,000
Caisson Interventional LLC \| Scenario, Forecast
Business Acquisition [Line Items]
Cash paid	$ 14,400,000
Selling, General and Administrative Expenses [Member] \| Caisson Interventional LLC
Business Acquisition [Line Items]
Acquisition-related expense			$ 1,000,000