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Business Combinations and Asset Acquisitions (Details) - USD ($) $ in Thousands, shares in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020 | [1]
Business Acquisition [Line Items] |  |
Contingent Earn-Out Liability, Noncurrent | $ 3,100 | $ 0
Payments to Acquire Businesses, Gross | 1,900,000 |
Line of Credit Facility, Maximum Borrowing Capacity | 150,000 |
TotalSeniorSecuredCreditFacility | 2,200,000 |
Term Loan A |  |
Business Acquisition [Line Items] |  |
Secured Long-term Debt, Noncurrent | 850,000 |
Term Loan B |  |
Business Acquisition [Line Items] |  |
Secured Long-term Debt, Noncurrent | 850,000 |
Preconsummation |  |
Business Acquisition [Line Items] |  |
TotalSeniorSecuredCreditFacility | $ 2,000,000 |
SmithsMedical |  |
Business Acquisition [Line Items] |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | 2.5 |
Contingent Earn-Out Liability, Noncurrent | $ 100,000 |
Line of Credit Facility, Maximum Borrowing Capacity | 500,000 |
SmithsMedical | Preconsummation |  |
Business Acquisition [Line Items] |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 300,000 |
[1] | December 31, 2020 balances were derived from audited consolidated financial statements.

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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 + Details
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