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Revenue (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Disaggregation of Revenue [Line Items] |  |
Revenues | $ 372,033,000 | $ 247,739,000
Cumulative Effect on Retained Earnings, Net of Tax | 6,300,000 |
Infusion Systems [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 93,439,000 | $ 46,670,000
Infusion Systems [Member] | Transferred over Time [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenues | 1,300,000 |
Equipment revenue [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue, Remaining Performance Obligation | 7,600,000 |
Software revenue [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Revenue, Remaining Performance Obligation | $ 4,200,000 |

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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